210111112120012 has 6 divisors (see below), whose sum is σ = 367694446210028. Its totient is φ = 105055556060004.

The previous prime is 210111112120001. The next prime is 210111112120043. The reversal of 210111112120012 is 210021211111012.

210111112120012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×210111112120012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26263889014998 + ... + 26263889015005.

Almost surely, 2^{210111112120012} is an apocalyptic number.

It is an amenable number.

210111112120012 is a deficient number, since it is larger than the sum of its proper divisors (157583334090016).

210111112120012 is a wasteful number, since it uses less digits than its factorization.

210111112120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52527778030007 (or 52527778030005 counting only the distinct ones).

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

Adding to 210111112120012 its reverse (210021211111012), we get a palindrome (420132323231024).

The spelling of 210111112120012 in words is "two hundred ten trillion, one hundred eleven billion, one hundred twelve million, one hundred twenty thousand, twelve".