1112222031220 has 12 divisors (see below), whose sum is σ = 2335666265604. Its totient is φ = 444888812480.

The previous prime is 1112222031211. The next prime is 1112222031251. The reversal of 1112222031220 is 221302222111.

It can be written as a sum of positive squares in 2 ways, for example, as 863304856164 + 248917175056 = 929142^2 + 498916^2 .

It is a super-2 number, since 2×1112222031220² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 27805550761 + ... + 27805550800.

It is an arithmetic number, because the mean of its divisors is an integer number (194638855467).

Almost surely, 2^{1112222031220} is an apocalyptic number.

1112222031220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112222031220 is an abundant number, since it is smaller than the sum of its proper divisors (1223444234384).

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

1112222031220 is a wasteful number, since it uses less digits than its factorization.

1112222031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55611101570 (or 55611101568 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1112222031220 its reverse (221302222111), we get a palindrome (1333524253331).

The spelling of 1112222031220 in words is "one trillion, one hundred twelve billion, two hundred twenty-two million, thirty-one thousand, two hundred twenty".