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222010201102121 = 317161619390391
BaseRepresentation
bin110010011110101011000111…
…001011000101011100101001
31002010001222010122010002120022
4302132223013023011130221
5213044403342440231441
62104102024533410225
764522464513644135
oct6236530713053451
91063058118102508
10222010201102121
1164814aa7801183
1220a97093199975
1396b561a376283
143cb74cb4823c5
151a9eedc78684b
hexc9eac72c5729

222010201102121 has 4 divisors (see below), whose sum is σ = 229171820492544. Its totient is φ = 214848581711700.

The previous prime is 222010201102099. The next prime is 222010201102139. The reversal of 222010201102121 is 121201102010222.

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 222010201102121 - 226 = 222010133993257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222010201102121.

It is not an unprimeable number, because it can be changed into a prime (222010201102321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3580809695165 + ... + 3580809695226.

It is an arithmetic number, because the mean of its divisors is an integer number (57292955123136).

Almost surely, 2222010201102121 is an apocalyptic number.

It is an amenable number.

222010201102121 is a deficient number, since it is larger than the sum of its proper divisors (7161619390423).

222010201102121 is an equidigital number, since it uses as much as digits as its factorization.

222010201102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7161619390422.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222010201102121 its reverse (121201102010222), we get a palindrome (343211303112343).

The spelling of 222010201102121 in words is "two hundred twenty-two trillion, ten billion, two hundred one million, one hundred two thousand, one hundred twenty-one".

Divisors: 1 31 7161619390391 222010201102121