13311111122 has 4 divisors (see below), whose sum is σ = 19966666686. Its totient is φ = 6655555560.

The previous prime is 13311111119. The next prime is 13311111133. The reversal of 13311111122 is 22111111331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22111111331 = 311 ⋅71096821.

It can be written as a sum of positive squares in only one way, i.e., 7392732361 + 5918378761 = 85981^2 + 76931^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13311111122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3327777779 + ... + 3327777782.

Almost surely, 2^13311111122 is an apocalyptic number.

13311111122 is a deficient number, since it is larger than the sum of its proper divisors (6655555564).

13311111122 is an equidigital number, since it uses as much as digits as its factorization.

13311111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6655555563.

The product of its digits is 36, while the sum is 17.

Adding to 13311111122 its reverse (22111111331), we get a palindrome (35422222453).

The spelling of 13311111122 in words is "thirteen billion, three hundred eleven million, one hundred eleven thousand, one hundred twenty-two".