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222102102221101 = 231823958067587
BaseRepresentation
bin110010100000000000101100…
…111010000010000100101101
31002010101202100101021122122201
4302200000230322002010231
5213102410101132033401
62104212144105341501
764532230066400464
oct6240005472020455
91063352311248581
10222102102221101
116484aa77572083
1220ab0a60797891
1396c11a500150b
143cbbb28a599db
151aa25ba992b01
hexca002ce8212d

222102102221101 has 4 divisors (see below), whose sum is σ = 222103060520512. Its totient is φ = 222101143921692.

The previous prime is 222102102221039. The next prime is 222102102221117. The reversal of 222102102221101 is 101122201201222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222102102221101 - 237 = 221964663267629 is a prime.

It is a super-2 number, since 2×2221021022211012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222102102221171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478801971 + ... + 479265616.

It is an arithmetic number, because the mean of its divisors is an integer number (55525765130128).

Almost surely, 2222102102221101 is an apocalyptic number.

It is an amenable number.

222102102221101 is a deficient number, since it is larger than the sum of its proper divisors (958299411).

222102102221101 is an equidigital number, since it uses as much as digits as its factorization.

222102102221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958299410.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222102102221101 its reverse (101122201201222), we get a palindrome (323224303422323).

The spelling of 222102102221101 in words is "two hundred twenty-two trillion, one hundred two billion, one hundred two million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 231823 958067587 222102102221101