210100111111122 has 16 divisors (see below), whose sum is σ = 438469797101760. Its totient is φ = 66988441223792.

The previous prime is 210100111111061. The next prime is 210100111111151. The reversal of 210100111111122 is 221111111001012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761232286497 + ... + 761232286772.

It is an arithmetic number, because the mean of its divisors is an integer number (27404362318860).

Almost surely, 2^{210100111111122} is an apocalyptic number.

210100111111122 is an abundant number, since it is smaller than the sum of its proper divisors (228369685990638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210100111111122 is a wasteful number, since it uses less digits than its factorization.

210100111111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522464573297.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 210100111111122 its reverse (221111111001012), we get a palindrome (431211222112134).

The spelling of 210100111111122 in words is "two hundred ten trillion, one hundred billion, one hundred eleven million, one hundred eleven thousand, one hundred twenty-two".