13223121102 has 32 divisors (see below), whose sum is σ = 29389975200. Its totient is φ = 4406917824.

The previous prime is 13223121089. The next prime is 13223121173. The reversal of 13223121102 is 20112132231.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336088 + ... + 373364.

It is an arithmetic number, because the mean of its divisors is an integer number (918436725).

Almost surely, 2^13223121102 is an apocalyptic number.

13223121102 is an abundant number, since it is smaller than the sum of its proper divisors (16166854098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13223121102 is a wasteful number, since it uses less digits than its factorization.

13223121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43857 (or 43851 counting only the distinct ones).

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

Adding to 13223121102 its reverse (20112132231), we get a palindrome (33335253333).

The spelling of 13223121102 in words is "thirteen billion, two hundred twenty-three million, one hundred twenty-one thousand, one hundred two".