112222020021 has 16 divisors (see below), whose sum is σ = 151567468800. Its totient is φ = 73846176768.

The previous prime is 112222020019. The next prime is 112222020023. The reversal of 112222020021 is 120020222211.

It is an interprime number because it is at equal distance from previous prime (112222020019) and next prime (112222020023).

It is not a de Polignac number, because 112222020021 - 2¹ = 112222020019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112222020023) 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, 769285 + ... + 903461.

It is an arithmetic number, because the mean of its divisors is an integer number (9472966800).

Almost surely, 2^112222020021 is an apocalyptic number.

It is an amenable number.

112222020021 is a deficient number, since it is larger than the sum of its proper divisors (39345448779).

112222020021 is a wasteful number, since it uses less digits than its factorization.

112222020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137788.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 112222020021 its reverse (120020222211), we get a palindrome (232242242232).

The spelling of 112222020021 in words is "one hundred twelve billion, two hundred twenty-two million, twenty thousand, twenty-one".