102112021112 has 16 divisors (see below), whose sum is σ = 191490149400. Its totient is φ = 51047981280.

The previous prime is 102112021111. The next prime is 102112021183. The reversal of 102112021112 is 211120211201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112021111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949439 + ... + 1051502.

Almost surely, 2^102112021112 is an apocalyptic number.

It is an amenable number.

102112021112 is a deficient number, since it is larger than the sum of its proper divisors (89378128288).

102112021112 is a wasteful number, since it uses less digits than its factorization.

102112021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007326 (or 2007322 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102112021112 its reverse (211120211201), we get a palindrome (313232232313).

The spelling of 102112021112 in words is "one hundred two billion, one hundred twelve million, twenty-one thousand, one hundred twelve".