112021112110021 has 4 divisors (see below), whose sum is σ = 113919775027200. Its totient is φ = 110122449192844.

The previous prime is 112021112110001. The next prime is 112021112110079. The reversal of 112021112110021 is 120011211120211.

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 112021112110021 - 2³⁵ = 111986752371653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112021112109977 and 112021112110004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021112110001) 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, 949331458501 + ... + 949331458618.

It is an arithmetic number, because the mean of its divisors is an integer number (28479943756800).

Almost surely, 2^{112021112110021} is an apocalyptic number.

It is an amenable number.

112021112110021 is a deficient number, since it is larger than the sum of its proper divisors (1898662917179).

112021112110021 is an equidigital number, since it uses as much as digits as its factorization.

112021112110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898662917178.

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

Adding to 112021112110021 its reverse (120011211120211), we get a palindrome (232032323230232).

The spelling of 112021112110021 in words is "one hundred twelve trillion, twenty-one billion, one hundred twelve million, one hundred ten thousand, twenty-one".