111102121112 has 16 divisors (see below), whose sum is σ = 213397367400. Its totient is φ = 54196156480.

The previous prime is 111102121103. The next prime is 111102121133. The reversal of 111102121112 is 211121201111.

It is a super-2 number, since 2×111102121112² (a number of 23 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 3 ways as a sum of consecutive naturals, for example, 169362662 + ... + 169363317.

Almost surely, 2^111102121112 is an apocalyptic number.

It is an amenable number.

111102121112 is a deficient number, since it is larger than the sum of its proper divisors (102295246288).

111102121112 is a wasteful number, since it uses less digits than its factorization.

111102121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338726026 (or 338726022 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111102121112 its reverse (211121201111), we get a palindrome (322223322223).

The spelling of 111102121112 in words is "one hundred eleven billion, one hundred two million, one hundred twenty-one thousand, one hundred twelve".