1112101122222 has 48 divisors (see below), whose sum is σ = 2450449921920. Its totient is φ = 364460240016.

The previous prime is 1112101122191. The next prime is 1112101122233. The reversal of 1112101122222 is 2222211012111.

1112101122222 is a `hidden beast` number, since 111 + 210 + 1 + 122 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1112101122195 and 1112101122204.

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 23 ways as a sum of consecutive naturals, for example, 1899988 + ... + 2415399.

It is an arithmetic number, because the mean of its divisors is an integer number (51051040040).

Almost surely, 2^{1112101122222} is an apocalyptic number.

1112101122222 is an abundant number, since it is smaller than the sum of its proper divisors (1338348799698).

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

1112101122222 is a wasteful number, since it uses less digits than its factorization.

1112101122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4315637 (or 4315634 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1112101122222 its reverse (2222211012111), we get a palindrome (3334312134333).

The spelling of 1112101122222 in words is "one trillion, one hundred twelve billion, one hundred one million, one hundred twenty-two thousand, two hundred twenty-two".