21365103564022 has 16 divisors (see below), whose sum is σ = 33284404380672. Its totient is φ = 10274530305960.

The previous prime is 21365103564001. The next prime is 21365103564037. The reversal of 21365103564022 is 22046530156312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057040338 + ... + 1057060549.

It is an arithmetic number, because the mean of its divisors is an integer number (2080275273792).

Almost surely, 2^{21365103564022} is an apocalyptic number.

21365103564022 is a deficient number, since it is larger than the sum of its proper divisors (11919300816650).

21365103564022 is a wasteful number, since it uses less digits than its factorization.

21365103564022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114101083.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 21365103564022 in words is "twenty-one trillion, three hundred sixty-five billion, one hundred three million, five hundred sixty-four thousand, twenty-two".