1112210021200 has 60 divisors (see below), whose sum is σ = 2672628393340. Its totient is φ = 444793466880.

The previous prime is 1112210021183. The next prime is 1112210021243. The reversal of 1112210021200 is 21200122111.

It can be written as a sum of positive squares in 6 ways, for example, as 44162181904 + 1068047839296 = 210148^2 + 1033464^2 .

It is a super-2 number, since 2×1112210021200² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1702336 + ... + 2263264.

Almost surely, 2^{1112210021200} is an apocalyptic number.

1112210021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112210021200 is an abundant number, since it is smaller than the sum of its proper divisors (1560418372140).

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

1112210021200 is a wasteful number, since it uses less digits than its factorization.

1112210021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565904 (or 565893 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1112210021200 its reverse (21200122111), we get a palindrome (1133410143311).

The spelling of 1112210021200 in words is "one trillion, one hundred twelve billion, two hundred ten million, twenty-one thousand, two hundred".