13313222022021 has 16 divisors (see below), whose sum is σ = 18371059502400. Its totient is φ = 8565699433088.

The previous prime is 13313222022017. The next prime is 13313222022041. The reversal of 13313222022021 is 12022022231331.

It is a cyclic number.

It is not a de Polignac number, because 13313222022021 - 2² = 13313222022017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13313222021982 and 13313222022000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313222022041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33110031 + ... + 33509708.

It is an arithmetic number, because the mean of its divisors is an integer number (1148191218900).

Almost surely, 2^{13313222022021} is an apocalyptic number.

It is an amenable number.

13313222022021 is a deficient number, since it is larger than the sum of its proper divisors (5057837480379).

13313222022021 is a wasteful number, since it uses less digits than its factorization.

13313222022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66622068.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13313222022021 its reverse (12022022231331), we get a palindrome (25335244253352).

The spelling of 13313222022021 in words is "thirteen trillion, three hundred thirteen billion, two hundred twenty-two million, twenty-two thousand, twenty-one".