102111012121112 has 32 divisors (see below), whose sum is σ = 201535384791600. Its totient is φ = 48368255975424.

The previous prime is 102111012121067. The next prime is 102111012121189. The reversal of 102111012121112 is 211121210111201.

It is a super-2 number, since 2×102111012121112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 117802448 + ... + 118666080.

Almost surely, 2^{102111012121112} is an apocalyptic number.

It is an amenable number.

102111012121112 is a deficient number, since it is larger than the sum of its proper divisors (99424372670488).

102111012121112 is a wasteful number, since it uses less digits than its factorization.

102111012121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641515 (or 1641511 counting only the distinct ones).

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

Adding to 102111012121112 its reverse (211121210111201), we get a palindrome (313232222232313).

The spelling of 102111012121112 in words is "one hundred two trillion, one hundred eleven billion, twelve million, one hundred twenty-one thousand, one hundred twelve".