1112111333212 has 96 divisors (see below), whose sum is σ = 2154732814080. Its totient is φ = 498040704000.

The previous prime is 1112111333197. The next prime is 1112111333231. The reversal of 1112111333212 is 2123331112111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 817127412 + ... + 817128772.

It is an arithmetic number, because the mean of its divisors is an integer number (22445133480).

Almost surely, 2^{1112111333212} is an apocalyptic number.

It is an amenable number.

1112111333212 is a deficient number, since it is larger than the sum of its proper divisors (1042621480868).

1112111333212 is a wasteful number, since it uses less digits than its factorization.

1112111333212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323 (or 2321 counting only the distinct ones).

The product of its digits is 216, while the sum is 22.

Adding to 1112111333212 its reverse (2123331112111), we get a palindrome (3235442445323).

The spelling of 1112111333212 in words is "one trillion, one hundred twelve billion, one hundred eleven million, three hundred thirty-three thousand, two hundred twelve".