21221132313199 has 16 divisors (see below), whose sum is σ = 26118465701440. Its totient is φ = 16790250654720.

The previous prime is 21221132313197. The next prime is 21221132313211. The reversal of 21221132313199 is 99131323112212.

It is a cyclic number.

It is not a de Polignac number, because 21221132313199 - 2¹ = 21221132313197 is a prime.

It is a super-2 number, since 2×21221132313199² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21221132313191) 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, 18340159 + ... + 19462879.

It is an arithmetic number, because the mean of its divisors is an integer number (1632404106340).

Almost surely, 2^{21221132313199} is an apocalyptic number.

21221132313199 is a deficient number, since it is larger than the sum of its proper divisors (4897333388241).

21221132313199 is a wasteful number, since it uses less digits than its factorization.

21221132313199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330450.

The product of its digits is 34992, while the sum is 40.

The spelling of 21221132313199 in words is "twenty-one trillion, two hundred twenty-one billion, one hundred thirty-two million, three hundred thirteen thousand, one hundred ninety-nine".