13021211021994 has 24 divisors (see below), whose sum is σ = 32242998721440. Its totient is φ = 3720346006248.

The previous prime is 13021211021989. The next prime is 13021211022007. The reversal of 13021211021994 is 49912011212031.

13021211021994 is a `hidden beast` number, since 1 + 30 + 212 + 110 + 219 + 94 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51671472184 + ... + 51671472435.

It is an arithmetic number, because the mean of its divisors is an integer number (1343458280060).

Almost surely, 2^{13021211021994} is an apocalyptic number.

13021211021994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13021211021994 is an abundant number, since it is smaller than the sum of its proper divisors (19221787699446).

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

13021211021994 is a wasteful number, since it uses less digits than its factorization.

13021211021994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103342944634 (or 103342944631 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The spelling of 13021211021994 in words is "thirteen trillion, twenty-one billion, two hundred eleven million, twenty-one thousand, nine hundred ninety-four".