21024332424099 has 6 divisors (see below), whose sum is σ = 30368480168156. Its totient is φ = 14016221616060.

The previous prime is 21024332424059. The next prime is 21024332424101. The reversal of 21024332424099 is 99042423342012.

21024332424099 is a `hidden beast` number, since 2 + 102 + 4 + 3 + 32 + 424 + 0 + 99 = 666.

It is not a de Polignac number, because 21024332424099 - 2¹⁵ = 21024332391331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21024332424049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1168018467997 + ... + 1168018468014.

Almost surely, 2^{21024332424099} is an apocalyptic number.

21024332424099 is a deficient number, since it is larger than the sum of its proper divisors (9344147744057).

21024332424099 is a wasteful number, since it uses less digits than its factorization.

21024332424099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336036936017 (or 2336036936014 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 21024332424099 in words is "twenty-one trillion, twenty-four billion, three hundred thirty-two million, four hundred twenty-four thousand, ninety-nine".