13231222101 has 40 divisors (see below), whose sum is σ = 20009768064. Its totient is φ = 8712113760.

The previous prime is 13231222063. The next prime is 13231222133. The reversal of 13231222101 is 10122213231.

13231222101 is a `hidden beast` number, since 132 + 312 + 221 + 0 + 1 = 666.

It is not a de Polignac number, because 13231222101 - 2¹³ = 13231213909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231222171) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3510520 + ... + 3514286.

Almost surely, 2^13231222101 is an apocalyptic number.

It is an amenable number.

13231222101 is a deficient number, since it is larger than the sum of its proper divisors (6778545963).

13231222101 is a wasteful number, since it uses less digits than its factorization.

13231222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4303 (or 4294 counting only the distinct ones).

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

Adding to 13231222101 its reverse (10122213231), we get a palindrome (23353435332).

The spelling of 13231222101 in words is "thirteen billion, two hundred thirty-one million, two hundred twenty-two thousand, one hundred one".