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11210011021020 = 2235761343540787
BaseRepresentation
bin1010001100100000100010…
…1110011000111011011100
31110200122222221102220221010
42203020020232120323130
52432131100310133040
635501450304335220
72234616344333460
oct243101056307334
943618887386833
1011210011021020
113632158a823a9
1213106aa014510
1363413a7bbbb6
142aa7d30484a0
151468e8966e80
hexa3208b98edc

11210011021020 has 96 divisors (see below), whose sum is σ = 35930554910208. Its totient is φ = 2558108259072.

The previous prime is 11210011020973. The next prime is 11210011021021. The reversal of 11210011021020 is 2012011001211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11210011020987 and 11210011021005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210011021021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21512934 + ... + 22027853.

It is an arithmetic number, because the mean of its divisors is an integer number (374276613648).

Almost surely, 211210011021020 is an apocalyptic number.

11210011021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210011021020 is an abundant number, since it is smaller than the sum of its proper divisors (24720543889188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11210011021020 is a wasteful number, since it uses less digits than its factorization.

11210011021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43541419 (or 43541417 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11210011021020 its reverse (2012011001211), we get a palindrome (13222022022231).

The spelling of 11210011021020 in words is "eleven trillion, two hundred ten billion, eleven million, twenty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 613 1226 1839 2452 3065 3678 4291 6130 7356 8582 9195 12260 12873 17164 18390 21455 25746 36780 42910 51492 64365 85820 128730 257460 43540787 87081574 130622361 174163148 217703935 261244722 304785509 435407870 522489444 609571018 653111805 870815740 914356527 1219142036 1306223610 1523927545 1828713054 2612447220 3047855090 3657426108 4571782635 6095710180 9143565270 18287130540 26690502431 53381004862 80071507293 106762009724 133452512155 160143014586 186833517017 266905024310 320286029172 373667034034 400357536465 533810048620 560500551051 747334068068 800715072930 934167585085 1121001102102 1601430145860 1868335170170 2242002204204 2802502755255 3736670340340 5605005510510 11210011021020