11121202331999 has 4 divisors (see below), whose sum is σ = 11121434705640. Its totient is φ = 11120969958360.

The previous prime is 11121202331989. The next prime is 11121202332017. The reversal of 11121202331999 is 99913320212111.

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 11121202331999 - 2⁴ = 11121202331983 is a prime.

It is a super-2 number, since 2×11121202331999² (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 (11121202331959) 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, 116115017 + ... + 116210754.

It is an arithmetic number, because the mean of its divisors is an integer number (2780358676410).

Almost surely, 2^{11121202331999} is an apocalyptic number.

11121202331999 is a deficient number, since it is larger than the sum of its proper divisors (232373641).

11121202331999 is an equidigital number, since it uses as much as digits as its factorization.

11121202331999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232373640.

The product of its (nonzero) digits is 52488, while the sum is 44.

The spelling of 11121202331999 in words is "eleven trillion, one hundred twenty-one billion, two hundred two million, three hundred thirty-one thousand, nine hundred ninety-nine".