21163341325122 has 32 divisors (see below), whose sum is σ = 47495287474560. Its totient is φ = 6984601095600.

The previous prime is 21163341325039. The next prime is 21163341325141. The reversal of 21163341325122 is 22152314336112.

21163341325122 is a `hidden beast` number, since 2 + 1 + 1 + 6 + 3 + 3 + 4 + 132 + 512 + 2 = 666.

It is a super-2 number, since 2×21163341325122² (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 15 ways as a sum of consecutive naturals, for example, 1940161518 + ... + 1940172425.

It is an arithmetic number, because the mean of its divisors is an integer number (1484227733580).

Almost surely, 2^{21163341325122} is an apocalyptic number.

21163341325122 is an abundant number, since it is smaller than the sum of its proper divisors (26331946149438).

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

21163341325122 is a wasteful number, since it uses less digits than its factorization.

21163341325122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880334055 (or 3880334049 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 21163341325122 in words is "twenty-one trillion, one hundred sixty-three billion, three hundred forty-one million, three hundred twenty-five thousand, one hundred twenty-two".