22521123199 has 4 divisors (see below), whose sum is σ = 22615354080. Its totient is φ = 22426892320.

The previous prime is 22521123113. The next prime is 22521123241. The reversal of 22521123199 is 99132112522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22521123199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22521123299) 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, 47115082 + ... + 47115559.

It is an arithmetic number, because the mean of its divisors is an integer number (5653838520).

Almost surely, 2^22521123199 is an apocalyptic number.

22521123199 is a deficient number, since it is larger than the sum of its proper divisors (94230881).

22521123199 is an equidigital number, since it uses as much as digits as its factorization.

22521123199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94230880.

The product of its digits is 19440, while the sum is 37.

The spelling of 22521123199 in words is "twenty-two billion, five hundred twenty-one million, one hundred twenty-three thousand, one hundred ninety-nine".