21022211210013 has 24 divisors (see below), whose sum is σ = 33461710874592. Its totient is φ = 12635890813728.

The previous prime is 21022211209999. The next prime is 21022211210059. The reversal of 21022211210013 is 31001211222012.

21022211210013 is a `hidden beast` number, since 210 + 22 + 211 + 210 + 0 + 13 = 666.

It is not a de Polignac number, because 21022211210013 - 2¹⁷ = 21022211078941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022211210113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2089262631 + ... + 2089272692.

It is an arithmetic number, because the mean of its divisors is an integer number (1394237953108).

Almost surely, 2^{21022211210013} is an apocalyptic number.

It is an amenable number.

21022211210013 is a deficient number, since it is larger than the sum of its proper divisors (12439499664579).

21022211210013 is a wasteful number, since it uses less digits than its factorization.

21022211210013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178535385 (or 4178535382 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 21022211210013 its reverse (31001211222012), we get a palindrome (52023422432025).

The spelling of 21022211210013 in words is "twenty-one trillion, twenty-two billion, two hundred eleven million, two hundred ten thousand, thirteen".