13321021012222 has 64 divisors (see below), whose sum is σ = 25422014592000. Its totient is φ = 5189688399840.

The previous prime is 13321021012217. The next prime is 13321021012289. The reversal of 13321021012222 is 22221012012331.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 13321021012193 and 13321021012202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149766279 + ... + 149855197.

It is an arithmetic number, because the mean of its divisors is an integer number (397218978000).

Almost surely, 2^{13321021012222} is an apocalyptic number.

13321021012222 is a deficient number, since it is larger than the sum of its proper divisors (12100993579778).

13321021012222 is a wasteful number, since it uses less digits than its factorization.

13321021012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108806 (or 108792 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13321021012222 its reverse (22221012012331), we get a palindrome (35542033024553).

The spelling of 13321021012222 in words is "thirteen trillion, three hundred twenty-one billion, twenty-one million, twelve thousand, two hundred twenty-two".