1112111202222 has 32 divisors (see below), whose sum is σ = 2601429715200. Its totient is φ = 351193010904.

The previous prime is 1112111202157. The next prime is 1112111202281. The reversal of 1112111202222 is 2222021112111.

1112111202222 is a `hidden beast` number, since 111 + 211 + 120 + 2 + 222 = 666.

It is a super-2 number, since 2×1112111202222² (a number of 25 digits) contains 22 as substring.

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 = 1112111202195 and 1112111202204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541963498 + ... + 541965549.

It is an arithmetic number, because the mean of its divisors is an integer number (81294678600).

Almost surely, 2^{1112111202222} is an apocalyptic number.

1112111202222 is an abundant number, since it is smaller than the sum of its proper divisors (1489318512978).

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

1112111202222 is a wasteful number, since it uses less digits than its factorization.

1112111202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083929077 (or 1083929071 counting only the distinct ones).

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

Adding to 1112111202222 its reverse (2222021112111), we get a palindrome (3334132314333).

The spelling of 1112111202222 in words is "one trillion, one hundred twelve billion, one hundred eleven million, two hundred two thousand, two hundred twenty-two".