112021012200021 has 4 divisors (see below), whose sum is σ = 149361349600032. Its totient is φ = 74680674800012.

The previous prime is 112021012200017. The next prime is 112021012200043. The reversal of 112021012200021 is 120002210120211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112021012200021 - 2² = 112021012200017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021012200091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18670168700001 + ... + 18670168700006.

It is an arithmetic number, because the mean of its divisors is an integer number (37340337400008).

Almost surely, 2^{112021012200021} is an apocalyptic number.

It is an amenable number.

112021012200021 is a deficient number, since it is larger than the sum of its proper divisors (37340337400011).

112021012200021 is an equidigital number, since it uses as much as digits as its factorization.

112021012200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37340337400010.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112021012200021 its reverse (120002210120211), we get a palindrome (232023222320232).

The spelling of 112021012200021 in words is "one hundred twelve trillion, twenty-one billion, twelve million, two hundred thousand, twenty-one".