13100021223 has 16 divisors (see below), whose sum is σ = 17804357760. Its totient is φ = 8566030944.

The previous prime is 13100021203. The next prime is 13100021227. The reversal of 13100021223 is 32212000131.

It is not a de Polignac number, because 13100021223 - 2⁵ = 13100021191 is a prime.

It is a super-2 number, since 2×13100021223² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100021227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154636 + ... + 223857.

It is an arithmetic number, because the mean of its divisors is an integer number (1112772360).

Almost surely, 2^13100021223 is an apocalyptic number.

13100021223 is a deficient number, since it is larger than the sum of its proper divisors (4704336537).

13100021223 is a wasteful number, since it uses less digits than its factorization.

13100021223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378718.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13100021223 its reverse (32212000131), we get a palindrome (45312021354).

The spelling of 13100021223 in words is "thirteen billion, one hundred million, twenty-one thousand, two hundred twenty-three".