111200021220213 has 6 divisors (see below), whose sum is σ = 160622252873654. Its totient is φ = 74133347480136.

The previous prime is 111200021220193. The next prime is 111200021220251. The reversal of 111200021220213 is 312022120002111.

111200021220213 is a `hidden beast` number, since 1 + 11 + 200 + 0 + 21 + 220 + 213 = 666.

It can be written as a sum of positive squares in only one way, i.e., 111153119954724 + 46901265489 = 10542918^2 + 216567^2 .

It is not a de Polignac number, because 111200021220213 - 2¹² = 111200021216117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200021270213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6177778956670 + ... + 6177778956687.

Almost surely, 2^{111200021220213} is an apocalyptic number.

It is an amenable number.

111200021220213 is a deficient number, since it is larger than the sum of its proper divisors (49422231653441).

111200021220213 is a wasteful number, since it uses less digits than its factorization.

111200021220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12355557913363 (or 12355557913360 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 111200021220213 its reverse (312022120002111), we get a palindrome (423222141222324).

The spelling of 111200021220213 in words is "one hundred eleven trillion, two hundred billion, twenty-one million, two hundred twenty thousand, two hundred thirteen".