112100012202021 has 4 divisors (see below), whose sum is σ = 149466682936032. Its totient is φ = 74733341468012.

The previous prime is 112100012202019. The next prime is 112100012202041. The reversal of 112100012202021 is 120202210001211.

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 112100012202021 - 2¹ = 112100012202019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100012202041) 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, 18683335367001 + ... + 18683335367006.

It is an arithmetic number, because the mean of its divisors is an integer number (37366670734008).

Almost surely, 2^{112100012202021} is an apocalyptic number.

It is an amenable number.

112100012202021 is a deficient number, since it is larger than the sum of its proper divisors (37366670734011).

112100012202021 is an equidigital number, since it uses as much as digits as its factorization.

112100012202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37366670734010.

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

Adding to 112100012202021 its reverse (120202210001211), we get a palindrome (232302222203232).

The spelling of 112100012202021 in words is "one hundred twelve trillion, one hundred billion, twelve million, two hundred two thousand, twenty-one".