11933221399 has 8 divisors (see below), whose sum is σ = 13584062592. Its totient is φ = 10376714040.

The previous prime is 11933221379. The next prime is 11933221423. The reversal of 11933221399 is 99312233911.

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

It is not a de Polignac number, because 11933221399 - 2²⁵ = 11899666967 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 (11933221379) 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, 23583189 + ... + 23583694.

It is an arithmetic number, because the mean of its divisors is an integer number (1698007824).

Almost surely, 2^11933221399 is an apocalyptic number.

11933221399 is a deficient number, since it is larger than the sum of its proper divisors (1650841193).

11933221399 is a wasteful number, since it uses less digits than its factorization.

11933221399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47166917.

The product of its digits is 78732, while the sum is 43.

It can be divided in two parts, 11933 and 221399, that added together give a palindrome (233332).

The spelling of 11933221399 in words is "eleven billion, nine hundred thirty-three million, two hundred twenty-one thousand, three hundred ninety-nine".