13311122223020 has 48 divisors (see below), whose sum is σ = 28257609918720. Its totient is φ = 5266616262336.

The previous prime is 13311122222939. The next prime is 13311122223031. The reversal of 13311122223020 is 2032222111331.

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, 1991642 + ... + 5530721.

It is an arithmetic number, because the mean of its divisors is an integer number (588700206640).

Almost surely, 2^{13311122223020} is an apocalyptic number.

13311122223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311122223020 is an abundant number, since it is smaller than the sum of its proper divisors (14946487695700).

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

13311122223020 is a wasteful number, since it uses less digits than its factorization.

13311122223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7523334 (or 7523332 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13311122223020 its reverse (2032222111331), we get a palindrome (15343344334351).

The spelling of 13311122223020 in words is "thirteen trillion, three hundred eleven billion, one hundred twenty-two million, two hundred twenty-three thousand, twenty".