2213231310021 has 16 divisors (see below), whose sum is σ = 3030784500224. Its totient is φ = 1435584233664.

The previous prime is 2213231310001. The next prime is 2213231310041. The reversal of 2213231310021 is 1200131323122.

2213231310021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2213231310001) and next prime (2213231310041).

It is not a de Polignac number, because 2213231310021 - 2¹⁵ = 2213231277253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2213231310021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213231310001) 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, 7776396 + ... + 8055978.

It is an arithmetic number, because the mean of its divisors is an integer number (189424031264).

Almost surely, 2^{2213231310021} is an apocalyptic number.

It is an amenable number.

2213231310021 is a deficient number, since it is larger than the sum of its proper divisors (817553190203).

2213231310021 is a wasteful number, since it uses less digits than its factorization.

2213231310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350940.

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

Adding to 2213231310021 its reverse (1200131323122), we get a palindrome (3413362633143).

It can be divided in two parts, 2213231 and 310021, that added together give a palindrome (2523252).

The spelling of 2213231310021 in words is "two trillion, two hundred thirteen billion, two hundred thirty-one million, three hundred ten thousand, twenty-one".