210111022122212 has 48 divisors (see below), whose sum is σ = 376287007649280. Its totient is φ = 102609798838272.

The previous prime is 210111022122187. The next prime is 210111022122247. The reversal of 210111022122212 is 212221220111012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202994348 + ... + 204026780.

It is an arithmetic number, because the mean of its divisors is an integer number (7839312659360).

Almost surely, 2^{210111022122212} is an apocalyptic number.

It is an amenable number.

210111022122212 is a deficient number, since it is larger than the sum of its proper divisors (166175985527068).

210111022122212 is a wasteful number, since it uses less digits than its factorization.

210111022122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034700 (or 1034698 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 210111022122212 its reverse (212221220111012), we get a palindrome (422332242233224).

The spelling of 210111022122212 in words is "two hundred ten trillion, one hundred eleven billion, twenty-two million, one hundred twenty-two thousand, two hundred twelve".