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222212222102001 = 3241459766858271
BaseRepresentation
bin110010100001100111010000…
…100100000010100111110001
31002010210021120211021012201010
4302201213100210002213301
5213111211112324231001
62104334515140501133
764543206005055105
oct6241472044024761
91063707524235633
10222212222102001
116489274635250a
1220b0a2736aa7a9
1396cb6a42b3061
143cc31b3b27905
151aa53b336a8d6
hexca19d09029f1

222212222102001 has 16 divisors (see below), whose sum is σ = 297577075947008. Its totient is φ = 147494692281600.

The previous prime is 222212222101999. The next prime is 222212222102023. The reversal of 222212222102001 is 100201222212222.

It is not a de Polignac number, because 222212222102001 - 21 = 222212222101999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222212222102081) 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, 30105505 + ... + 36752766.

It is an arithmetic number, because the mean of its divisors is an integer number (18598567246688).

Almost surely, 2222212222102001 is an apocalyptic number.

It is an amenable number.

222212222102001 is a deficient number, since it is larger than the sum of its proper divisors (75364853845007).

222212222102001 is a wasteful number, since it uses less digits than its factorization.

222212222102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66863112.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222212222102001 its reverse (100201222212222), we get a palindrome (322413444314223).

The spelling of 222212222102001 in words is "two hundred twenty-two trillion, two hundred twelve billion, two hundred twenty-two million, one hundred two thousand, one".

Divisors: 1 3 241 723 4597 13791 1107877 3323631 66858271 200574813 16112843311 48338529933 307347471787 922042415361 74070740700667 222212222102001