112100213021 has 4 divisors (see below), whose sum is σ = 112191874272. Its totient is φ = 112008551772.

The previous prime is 112100212927. The next prime is 112100213059. The reversal of 112100213021 is 120312001211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120312001211 = 47 ⋅2559829813.

It is a cyclic number.

It is not a de Polignac number, because 112100213021 - 2¹⁰ = 112100211997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112100212987 and 112100213005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100213221) 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, 45828791 + ... + 45831236.

It is an arithmetic number, because the mean of its divisors is an integer number (28047968568).

Almost surely, 2^112100213021 is an apocalyptic number.

It is an amenable number.

112100213021 is a deficient number, since it is larger than the sum of its proper divisors (91661251).

112100213021 is an equidigital number, since it uses as much as digits as its factorization.

112100213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91661250.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 112100213021 its reverse (120312001211), we get a palindrome (232412214232).

The spelling of 112100213021 in words is "one hundred twelve billion, one hundred million, two hundred thirteen thousand, twenty-one".