21200213003299 has 4 divisors (see below), whose sum is σ = 23127505094520. Its totient is φ = 19272920912080.

The previous prime is 21200213003231. The next prime is 21200213003323. The reversal of 21200213003299 is 99230031200212.

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

It is not a de Polignac number, because 21200213003299 - 2²³ = 21200204614691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21200213009299) 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, 963646045594 + ... + 963646045615.

It is an arithmetic number, because the mean of its divisors is an integer number (5781876273630).

Almost surely, 2^{21200213003299} is an apocalyptic number.

21200213003299 is a deficient number, since it is larger than the sum of its proper divisors (1927292091221).

21200213003299 is a wasteful number, since it uses less digits than its factorization.

21200213003299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927292091220.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 21200213003299 in words is "twenty-one trillion, two hundred billion, two hundred thirteen million, three thousand, two hundred ninety-nine".