112020211220021 has 48 divisors (see below), whose sum is σ = 128699845539840. Its totient is φ = 97120401131520.

The previous prime is 112020211220011. The next prime is 112020211220041. The reversal of 112020211220021 is 120022112020211.

It is not a de Polignac number, because 112020211220021 - 2⁶ = 112020211219957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112020211220011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4397938316 + ... + 4397963786.

It is an arithmetic number, because the mean of its divisors is an integer number (2681246782080).

Almost surely, 2^{112020211220021} is an apocalyptic number.

It is an amenable number.

112020211220021 is a deficient number, since it is larger than the sum of its proper divisors (16679634319819).

112020211220021 is a wasteful number, since it uses less digits than its factorization.

112020211220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28606 (or 28593 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112020211220021 its reverse (120022112020211), we get a palindrome (232042323240232).

The spelling of 112020211220021 in words is "one hundred twelve trillion, twenty billion, two hundred eleven million, two hundred twenty thousand, twenty-one".