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221202133102331 = 421996895270599
BaseRepresentation
bin110010010010111010100010…
…100100010010111011111011
31002000012201100222121111111122
4302102322202210102323323
5212443133432033233311
62102242505044015455
764410220032165623
oct6222724244227373
91060181328544448
10221202133102331
1164533330454867
122098655699158b
13965736ba68534
143c8a3517d1883
151a88e960160db
hexc92ea2912efb

221202133102331 has 8 divisors (see below), whose sum is σ = 221729820108000. Its totient is φ = 220674456838080.

The previous prime is 221202133102303. The next prime is 221202133102339. The reversal of 221202133102331 is 133201331202122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-221202133102331 is a prime.

It is a super-2 number, since 2×2212021331023312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221202133102331.

It is not an unprimeable number, because it can be changed into a prime (221202133102339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39333770 + ... + 44604368.

It is an arithmetic number, because the mean of its divisors is an integer number (27716227513500).

Almost surely, 2221202133102331 is an apocalyptic number.

221202133102331 is a deficient number, since it is larger than the sum of its proper divisors (527687005669).

221202133102331 is an equidigital number, since it uses as much as digits as its factorization.

221202133102331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370709.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 221202133102331 its reverse (133201331202122), we get a palindrome (354403464304453).

The spelling of 221202133102331 in words is "two hundred twenty-one trillion, two hundred two billion, one hundred thirty-three million, one hundred two thousand, three hundred thirty-one".

Divisors: 1 421 99689 5270599 41969069 2218922179 525420743711 221202133102331