21200000101199 has 4 divisors (see below), whose sum is σ = 21201325034400. Its totient is φ = 21198675168000.

The previous prime is 21200000101141. The next prime is 21200000101213. The reversal of 21200000101199 is 99110100000212.

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 21200000101199 - 2²⁰ = 21199999052623 is a prime.

It is a super-2 number, since 2×21200000101199² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200000101129) 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, 662442599 + ... + 662474600.

It is an arithmetic number, because the mean of its divisors is an integer number (5300331258600).

Almost surely, 2^{21200000101199} is an apocalyptic number.

21200000101199 is a deficient number, since it is larger than the sum of its proper divisors (1324933201).

21200000101199 is a wasteful number, since it uses less digits than its factorization.

21200000101199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324933200.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 21200000101199 in words is "twenty-one trillion, two hundred billion, one hundred one thousand, one hundred ninety-nine".