21301030220099 has 6 divisors (see below), whose sum is σ = 24778749439764. Its totient is φ = 18258025902900.

The previous prime is 21301030220003. The next prime is 21301030220147. The reversal of 21301030220099 is 99002203010312.

It is a de Polignac number, because none of the positive numbers 2^k-21301030220099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21301030240099) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 217357451177 + ... + 217357451274.

It is an arithmetic number, because the mean of its divisors is an integer number (4129791573294).

Almost surely, 2^{21301030220099} is an apocalyptic number.

21301030220099 is a deficient number, since it is larger than the sum of its proper divisors (3477719219665).

21301030220099 is an equidigital number, since it uses as much as digits as its factorization.

21301030220099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434714902465 (or 434714902458 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 21301030220099 in words is "twenty-one trillion, three hundred one billion, thirty million, two hundred twenty thousand, ninety-nine".