2220101331021 has 96 divisors (see below), whose sum is σ = 4060044518400. Its totient is φ = 1192903256160.

The previous prime is 2220101330917. The next prime is 2220101331023. The reversal of 2220101331021 is 1201331010222.

It is not a de Polignac number, because 2220101331021 - 2²³ = 2220092942413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220101330985 and 2220101331003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220101331023) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1177006 + ... + 2413616.

It is an arithmetic number, because the mean of its divisors is an integer number (42292130400).

Almost surely, 2^{2220101331021} is an apocalyptic number.

2220101331021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2220101331021 is a deficient number, since it is larger than the sum of its proper divisors (1839943187379).

2220101331021 is a wasteful number, since it uses less digits than its factorization.

2220101331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236716 (or 1236703 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2220101331021 its reverse (1201331010222), we get a palindrome (3421432341243).

The spelling of 2220101331021 in words is "two trillion, two hundred twenty billion, one hundred one million, three hundred thirty-one thousand, twenty-one".