112001012012021 has 16 divisors (see below), whose sum is σ = 122993319960576. Its totient is φ = 101143783950000.

The previous prime is 112001012011997. The next prime is 112001012012027. The reversal of 112001012012021 is 120210210100211.

It is not a de Polignac number, because 112001012012021 - 2²⁶ = 112000944903157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112001012011987 and 112001012012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001012012027) 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, 200155136 + ... + 200713926.

It is an arithmetic number, because the mean of its divisors is an integer number (7687082497536).

Almost surely, 2^{112001012012021} is an apocalyptic number.

112001012012021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112001012012021 is a deficient number, since it is larger than the sum of its proper divisors (10992307948555).

112001012012021 is a wasteful number, since it uses less digits than its factorization.

112001012012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679624.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112001012012021 its reverse (120210210100211), we get a palindrome (232211222112232).

The spelling of 112001012012021 in words is "one hundred twelve trillion, one billion, twelve million, twelve thousand, twenty-one".