22131102213 has 24 divisors (see below), whose sum is σ = 35998200576. Its totient is φ = 12980116800.

The previous prime is 22131102199. The next prime is 22131102229. The reversal of 22131102213 is 31220113122.

It is not a de Polignac number, because 22131102213 - 2¹⁶ = 22131036677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131102293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3602520 + ... + 3608657.

It is an arithmetic number, because the mean of its divisors is an integer number (1499925024).

Almost surely, 2^22131102213 is an apocalyptic number.

It is an amenable number.

22131102213 is a deficient number, since it is larger than the sum of its proper divisors (13867098363).

22131102213 is a wasteful number, since it uses less digits than its factorization.

22131102213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7211225 (or 7211222 counting only the distinct ones).

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

Adding to 22131102213 its reverse (31220113122), we get a palindrome (53351215335).

The spelling of 22131102213 in words is "twenty-two billion, one hundred thirty-one million, one hundred two thousand, two hundred thirteen".