111202202000021 has 16 divisors (see below), whose sum is σ = 126611108536320. Its totient is φ = 96678314892720.

The previous prime is 111202202000011. The next prime is 111202202000023. The reversal of 111202202000021 is 120000202202111.

It is not a de Polignac number, because 111202202000021 - 2³⁰ = 111201128258197 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 (111202202000023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42481361 + ... + 45022998.

It is an arithmetic number, because the mean of its divisors is an integer number (7913194283520).

Almost surely, 2^{111202202000021} is an apocalyptic number.

111202202000021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111202202000021 is a deficient number, since it is larger than the sum of its proper divisors (15408906536299).

111202202000021 is a wasteful number, since it uses less digits than its factorization.

111202202000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87509416.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111202202000021 its reverse (120000202202111), we get a palindrome (231202404202132).

The spelling of 111202202000021 in words is "one hundred eleven trillion, two hundred two billion, two hundred two million, twenty-one", and thus it is an aban number.