21303212030099 has 4 divisors (see below), whose sum is σ = 21303403804800. Its totient is φ = 21303020255400.

The previous prime is 21303212030083. The next prime is 21303212030117. The reversal of 21303212030099 is 99003021230312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21303212030099 - 2⁴ = 21303212030083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21303212033099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95720627 + ... + 95942924.

It is an arithmetic number, because the mean of its divisors is an integer number (5325850951200).

Almost surely, 2^{21303212030099} is an apocalyptic number.

21303212030099 is a deficient number, since it is larger than the sum of its proper divisors (191774701).

21303212030099 is a wasteful number, since it uses less digits than its factorization.

21303212030099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191774700.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 21303212030099 in words is "twenty-one trillion, three hundred three billion, two hundred twelve million, thirty thousand, ninety-nine".