111102111202112 has 28 divisors (see below), whose sum is σ = 220528770702816. Its totient is φ = 55535806773120.

The previous prime is 111102111202081. The next prime is 111102111202171. The reversal of 111102111202112 is 211202111201111.

It is a super-2 number, since 2×111102111202112² (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 3 ways as a sum of consecutive naturals, for example, 238027964 + ... + 238494267.

Almost surely, 2^{111102111202112} is an apocalyptic number.

It is an amenable number.

111102111202112 is a deficient number, since it is larger than the sum of its proper divisors (109426659500704).

111102111202112 is an equidigital number, since it uses as much as digits as its factorization.

111102111202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476525886 (or 476525876 counting only the distinct ones).

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

Adding to 111102111202112 its reverse (211202111201111), we get a palindrome (322304222403223).

The spelling of 111102111202112 in words is "one hundred eleven trillion, one hundred two billion, one hundred eleven million, two hundred two thousand, one hundred twelve".