2213202131021 has 32 divisors (see below), whose sum is σ = 2700199756800. Its totient is φ = 1811382921600.

The previous prime is 2213202130987. The next prime is 2213202131029. The reversal of 2213202131021 is 1201312023122.

It is not a de Polignac number, because 2213202131021 - 2¹⁸ = 2213201868877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2213202130984 and 2213202131002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213202131029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1013270 + ... + 2335191.

It is an arithmetic number, because the mean of its divisors is an integer number (84381242400).

Almost surely, 2^{2213202131021} is an apocalyptic number.

It is an amenable number.

2213202131021 is a deficient number, since it is larger than the sum of its proper divisors (486997625779).

2213202131021 is an equidigital number, since it uses as much as digits as its factorization.

2213202131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348570 (or 3348556 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2213202131021 its reverse (1201312023122), we get a palindrome (3414514154143).

The spelling of 2213202131021 in words is "two trillion, two hundred thirteen billion, two hundred two million, one hundred thirty-one thousand, twenty-one".