210112212122 has 16 divisors (see below), whose sum is σ = 320079141600. Its totient is φ = 103421192688.

The previous prime is 210112212049. The next prime is 210112212137. The reversal of 210112212122 is 221212211012.

It is a self number, because there is not a number n which added to its sum of digits gives 210112212122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298568 + ... + 713699.

It is an arithmetic number, because the mean of its divisors is an integer number (20004946350).

Almost surely, 2^210112212122 is an apocalyptic number.

210112212122 is a deficient number, since it is larger than the sum of its proper divisors (109966929478).

210112212122 is a wasteful number, since it uses less digits than its factorization.

210112212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013885.

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

Adding to 210112212122 its reverse (221212211012), we get a palindrome (431324423134).

The spelling of 210112212122 in words is "two hundred ten billion, one hundred twelve million, two hundred twelve thousand, one hundred twenty-two".