11131122199 has 8 divisors (see below), whose sum is σ = 11430789120. Its totient is φ = 10835424600.

The previous prime is 11131122173. The next prime is 11131122209. The reversal of 11131122199 is 99122113111.

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

It is a cyclic number.

It is not a de Polignac number, because 11131122199 - 2¹⁹ = 11130597911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11131122199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131122109) 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, 986647 + ... + 997864.

It is an arithmetic number, because the mean of its divisors is an integer number (1428848640).

Almost surely, 2^11131122199 is an apocalyptic number.

11131122199 is a deficient number, since it is larger than the sum of its proper divisors (299666921).

11131122199 is an equidigital number, since it uses as much as digits as its factorization.

11131122199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984661.

The product of its digits is 972, while the sum is 31.

The spelling of 11131122199 in words is "eleven billion, one hundred thirty-one million, one hundred twenty-two thousand, one hundred ninety-nine".