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11121012010220 = 225731621138777
BaseRepresentation
bin1010000111010100111111…
…1110000110110011101100
31110101011021110002201211212
42201311033332012303230
52424201313033311340
635352531122533552
72225316021251000
oct241651776066354
943334243081755
1011121012010220
1135a84383a0312
1212b73b05072b8
13628926192128
142a638d074700
1514443a414a65
hexa1d4ff86cec

11121012010220 has 48 divisors (see below), whose sum is σ = 27235131470400. Its totient is φ = 3812918401152.

The previous prime is 11121012010219. The next prime is 11121012010313. The reversal of 11121012010220 is 2201021012111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11121012010195 and 11121012010204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810562529 + ... + 810576248.

It is an arithmetic number, because the mean of its divisors is an integer number (567398572300).

Almost surely, 211121012010220 is an apocalyptic number.

11121012010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121012010220 is an abundant number, since it is smaller than the sum of its proper divisors (16114119460180).

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

11121012010220 is a wasteful number, since it uses less digits than its factorization.

11121012010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621138807 (or 1621138791 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11121012010220 its reverse (2201021012111), we get a palindrome (13322033022331).

The spelling of 11121012010220 in words is "eleven trillion, one hundred twenty-one billion, twelve million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 343 490 686 980 1372 1715 3430 6860 1621138777 3242277554 6484555108 8105693885 11347971439 16211387770 22695942878 32422775540 45391885756 56739857195 79435800073 113479714390 158871600146 226959428780 317743200292 397179000365 556050600511 794358000730 1112101201022 1588716001460 2224202402044 2780253002555 5560506005110 11121012010220