12220200111021 has 16 divisors (see below), whose sum is σ = 18926523827328. Its totient is φ = 6868496548800.

The previous prime is 12220200110983. The next prime is 12220200111059. The reversal of 12220200111021 is 12011100202221.

It is an interprime number because it is at equal distance from previous prime (12220200110983) and next prime (12220200111059).

It is not a de Polignac number, because 12220200111021 - 2³⁵ = 12185840372653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220200111221) 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, 4769787990 + ... + 4769790551.

It is an arithmetic number, because the mean of its divisors is an integer number (1182907739208).

Almost surely, 2^{12220200111021} is an apocalyptic number.

It is an amenable number.

12220200111021 is a deficient number, since it is larger than the sum of its proper divisors (6706323716307).

12220200111021 is an equidigital number, since it uses as much as digits as its factorization.

12220200111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9539578612.

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

Adding to 12220200111021 its reverse (12011100202221), we get a palindrome (24231300313242).

The spelling of 12220200111021 in words is "twelve trillion, two hundred twenty billion, two hundred million, one hundred eleven thousand, twenty-one".