210111120121112 has 48 divisors (see below), whose sum is σ = 458844556329000. Its totient is φ = 89936315452032.

The previous prime is 210111120121103. The next prime is 210111120121241. The reversal of 210111120121112 is 211121021111012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330954662 + ... + 331588917.

Almost surely, 2^{210111120121112} is an apocalyptic number.

It is an amenable number.

210111120121112 is an abundant number, since it is smaller than the sum of its proper divisors (248733436207888).

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

210111120121112 is a wasteful number, since it uses less digits than its factorization.

210111120121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662544408 (or 662544397 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 210111120121112 its reverse (211121021111012), we get a palindrome (421232141232124).

The spelling of 210111120121112 in words is "two hundred ten trillion, one hundred eleven billion, one hundred twenty million, one hundred twenty-one thousand, one hundred twelve".