22123210213 has 16 divisors (see below), whose sum is σ = 24429678336. Its totient is φ = 19904088960.

The previous prime is 22123210211. The next prime is 22123210303. The reversal of 22123210213 is 31201232122.

It is a cyclic number.

It is not a de Polignac number, because 22123210213 - 2¹ = 22123210211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123210211) 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, 547056 + ... + 586102.

It is an arithmetic number, because the mean of its divisors is an integer number (1526854896).

Almost surely, 2^22123210213 is an apocalyptic number.

It is an amenable number.

22123210213 is a deficient number, since it is larger than the sum of its proper divisors (2306468123).

22123210213 is a wasteful number, since it uses less digits than its factorization.

22123210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40164.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22123210213 its reverse (31201232122), we get a palindrome (53324442335).

The spelling of 22123210213 in words is "twenty-two billion, one hundred twenty-three million, two hundred ten thousand, two hundred thirteen".