112100020020021 has 16 divisors (see below), whose sum is σ = 163077446928960. Its totient is φ = 67929875925120.

The previous prime is 112100020020011. The next prime is 112100020020031. The reversal of 112100020020021 is 120020020001211.

It is an interprime number because it is at equal distance from previous prime (112100020020011) and next prime (112100020020031).

It is not a de Polignac number, because 112100020020021 - 2⁵ = 112100020019989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112100020019979 and 112100020020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100020020011) 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, 238014870 + ... + 238485383.

It is an arithmetic number, because the mean of its divisors is an integer number (10192340433060).

Almost surely, 2^{112100020020021} is an apocalyptic number.

112100020020021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112100020020021 is a deficient number, since it is larger than the sum of its proper divisors (50977426908939).

112100020020021 is a wasteful number, since it uses less digits than its factorization.

112100020020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476507396.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 112100020020021 its reverse (120020020001211), we get a palindrome (232120040021232).

The spelling of 112100020020021 in words is "one hundred twelve trillion, one hundred billion, twenty million, twenty thousand, twenty-one".