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221002101110120 = 23511691726884953
BaseRepresentation
bin110010010000000000001111…
…101110110011010101101000
31001222111121001102010102221112
4302100000033232303111220
5212431344300341010440
62102010544052125452
764356606042255101
oct6220001756632550
91058447042112845
10221002101110120
1164466512622420
1220953830606888
139641540c27675
143c807b73833a8
151a83b89d72965
hexc9000fbb3568

221002101110120 has 64 divisors (see below), whose sum is σ = 543244739221440. Its totient is φ = 80248098700800.

The previous prime is 221002101110069. The next prime is 221002101110123. The reversal of 221002101110120 is 21011101200122.

It is a junction number, because it is equal to n+sod(n) for n = 221002101110095 and 221002101110104.

It is not an unprimeable number, because it can be changed into a prime (221002101110123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363138437 + ... + 363746516.

It is an arithmetic number, because the mean of its divisors is an integer number (8488199050335).

Almost surely, 2221002101110120 is an apocalyptic number.

221002101110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221002101110120 is an abundant number, since it is smaller than the sum of its proper divisors (322242638111320).

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

221002101110120 is a wasteful number, since it uses less digits than its factorization.

221002101110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726885666 (or 726885662 counting only the distinct ones).

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

Adding to 221002101110120 its reverse (21011101200122), we get a palindrome (242013202310242).

The spelling of 221002101110120 in words is "two hundred twenty-one trillion, two billion, one hundred one million, one hundred ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 691 1382 2764 3455 5528 6910 7601 13820 15202 27640 30404 38005 60808 76010 152020 304040 726884953 1453769906 2907539812 3634424765 5815079624 7268849530 7995734483 14537699060 15991468966 29075398120 31982937932 39978672415 63965875864 79957344830 159914689660 319829379320 502277502523 1004555005046 2009110010092 2511387512615 4018220020184 5022775025230 5525052527753 10045550050460 11050105055506 20091100100920 22100210111012 27625262638765 44200420222024 55250525277530 110501050555060 221002101110120