111010002021200 has 30 divisors (see below), whose sum is σ = 266701529856894. Its totient is φ = 44404000808320.

The previous prime is 111010002021199. The next prime is 111010002021211. The reversal of 111010002021200 is 2120200010111.

It can be written as a sum of positive squares in 3 ways, for example, as 9288012045376 + 101721989975824 = 3047624^2 + 10085732^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138762502127 + ... + 138762502926.

Almost surely, 2^{111010002021200} is an apocalyptic number.

111010002021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111010002021200 is an abundant number, since it is smaller than the sum of its proper divisors (155691527835694).

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

111010002021200 is a wasteful number, since it uses less digits than its factorization.

111010002021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277525005071 (or 277525005060 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111010002021200 its reverse (2120200010111), we get a palindrome (113130202031311).

The spelling of 111010002021200 in words is "one hundred eleven trillion, ten billion, two million, twenty-one thousand, two hundred".