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221002020111202 = 21131402318054731
BaseRepresentation
bin110010010000000000001010…
…111001110100001101100010
31001222111120211202201021022121
4302100000022321310031202
5212431344114122024302
62102010532040054454
764356604036631461
oct6220001271641542
91058446752637277
10221002020111202
1164466480929770
122095380946442a
13964152a207705
143c807aa6da9d8
151a83b82bc2e37
hexc9000ae74362

221002020111202 has 32 divisors (see below), whose sum is σ = 373314790453248. Its totient is φ = 97212536370000.

The previous prime is 221002020111181. The next prime is 221002020111251. The reversal of 221002020111202 is 202111020200122.

It is a happy number.

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, 23410177 + ... + 31464907.

It is an arithmetic number, because the mean of its divisors is an integer number (11666087201664).

Almost surely, 2221002020111202 is an apocalyptic number.

221002020111202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221002020111202 is a deficient number, since it is larger than the sum of its proper divisors (152312770342046).

221002020111202 is a wasteful number, since it uses less digits than its factorization.

221002020111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8095006.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221002020111202 its reverse (202111020200122), we get a palindrome (423113040311324).

The spelling of 221002020111202 in words is "two hundred twenty-one trillion, two billion, twenty million, one hundred eleven thousand, two hundred two".

Divisors: 1 2 11 22 31 62 341 682 40231 80462 442541 885082 1247161 2494322 8054731 13718771 16109462 27437542 88602041 177204082 249696661 499393322 2746663271 5493326542 324049882861 648099765722 3564548711471 7129097422942 10045546368691 20091092737382 110501010055601 221002020111202