13101321020994 has 12 divisors (see below), whose sum is σ = 28386195545526. Its totient is φ = 4367107006992.

The previous prime is 13101321020959. The next prime is 13101321021017. The reversal of 13101321020994 is 49902012310131.

It is a happy number.

13101321020994 is a `hidden beast` number, since 1 + 310 + 132 + 1 + 0 + 209 + 9 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12436096455225 + 665224565769 = 3526485^2 + 815613^2 .

It is a super-2 number, since 2×13101321020994² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 363925583899 + ... + 363925583934.

Almost surely, 2^{13101321020994} is an apocalyptic number.

13101321020994 is an abundant number, since it is smaller than the sum of its proper divisors (15284874524532).

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

13101321020994 is a wasteful number, since it uses less digits than its factorization.

13101321020994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727851167841 (or 727851167838 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 13101321020994 in words is "thirteen trillion, one hundred one billion, three hundred twenty-one million, twenty thousand, nine hundred ninety-four".