112021229987 has 4 divisors (see below), whose sum is σ = 113439220320. Its totient is φ = 110603239656.

The previous prime is 112021229941. The next prime is 112021229993. The reversal of 112021229987 is 789922120211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789922120211 = 7 ⋅112846017173.

It is a cyclic number.

It is not a de Polignac number, because 112021229987 - 2²⁴ = 112004452771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112021229927) 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, 708995048 + ... + 708995205.

It is an arithmetic number, because the mean of its divisors is an integer number (28359805080).

Almost surely, 2^112021229987 is an apocalyptic number.

112021229987 is a deficient number, since it is larger than the sum of its proper divisors (1417990333).

112021229987 is an equidigital number, since it uses as much as digits as its factorization.

112021229987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417990332.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 112021229987 in words is "one hundred twelve billion, twenty-one million, two hundred twenty-nine thousand, nine hundred eighty-seven".