21302220100999 has 8 divisors (see below), whose sum is σ = 22891938020208. Its totient is φ = 19749907309440.

The previous prime is 21302220100969. The next prime is 21302220101017. The reversal of 21302220100999 is 99900102220312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21302220100999 - 2⁷ = 21302220100871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302220100969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9351280732 + ... + 9351283009.

It is an arithmetic number, because the mean of its divisors is an integer number (2861492252526).

Almost surely, 2^{21302220100999} is an apocalyptic number.

21302220100999 is a deficient number, since it is larger than the sum of its proper divisors (1589717919209).

21302220100999 is a wasteful number, since it uses less digits than its factorization.

21302220100999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18702563825.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 21302220100999 in words is "twenty-one trillion, three hundred two billion, two hundred twenty million, one hundred thousand, nine hundred ninety-nine".