1112021220112 has 20 divisors (see below), whose sum is σ = 2350408488336. Its totient is φ = 505464190880.

The previous prime is 1112021220109. The next prime is 1112021220131. The reversal of 1112021220112 is 2110221202111.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 3159151018 + ... + 3159151369.

Almost surely, 2^{1112021220112} is an apocalyptic number.

It is an amenable number.

1112021220112 is an abundant number, since it is smaller than the sum of its proper divisors (1238387268224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112021220112 is a wasteful number, since it uses less digits than its factorization.

1112021220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6318302406 (or 6318302400 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1112021220112 its reverse (2110221202111), we get a palindrome (3222242422223).

The spelling of 1112021220112 in words is "one trillion, one hundred twelve billion, twenty-one million, two hundred twenty thousand, one hundred twelve".