2213201331021 has 16 divisors (see below), whose sum is σ = 3086381076480. Its totient is φ = 1408042254960.

The previous prime is 2213201330981. The next prime is 2213201331037. The reversal of 2213201331021 is 1201331023122.

It is not a de Polignac number, because 2213201331021 - 2²⁶ = 2213134222157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213201335021) 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, 37180681 + ... + 37240158.

It is an arithmetic number, because the mean of its divisors is an integer number (192898817280).

Almost surely, 2^{2213201331021} is an apocalyptic number.

It is an amenable number.

2213201331021 is a deficient number, since it is larger than the sum of its proper divisors (873179745459).

2213201331021 is a wasteful number, since it uses less digits than its factorization.

2213201331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74421296.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2213201331021 its reverse (1201331023122), we get a palindrome (3414532354143).

The spelling of 2213201331021 in words is "two trillion, two hundred thirteen billion, two hundred one million, three hundred thirty-one thousand, twenty-one".