1112111202220 has 24 divisors (see below), whose sum is σ = 2370290744304. Its totient is φ = 438205010496.

The previous prime is 1112111202157. The next prime is 1112111202281. The reversal of 1112111202220 is 222021112111.

It is a super-2 number, since 2×1112111202220² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1112111202194 and 1112111202203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414965527 + ... + 414968206.

It is an arithmetic number, because the mean of its divisors is an integer number (98762114346).

Almost surely, 2^{1112111202220} is an apocalyptic number.

1112111202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112111202220 is an abundant number, since it is smaller than the sum of its proper divisors (1258179542084).

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

1112111202220 is a wasteful number, since it uses less digits than its factorization.

1112111202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829933809 (or 829933807 counting only the distinct ones).

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

Adding to 1112111202220 its reverse (222021112111), we get a palindrome (1334132314331).

The spelling of 1112111202220 in words is "one trillion, one hundred twelve billion, one hundred eleven million, two hundred two thousand, two hundred twenty".