11111322199 has 2 divisors, whose sum is σ = 11111322200. Its totient is φ = 11111322198.

The previous prime is 11111322181. The next prime is 11111322251. The reversal of 11111322199 is 99122311111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11111322199 - 2⁷ = 11111322071 is a prime.

It is a super-2 number, since 2×11111322199² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11111322199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111322109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555661099 + 5555661100.

It is an arithmetic number, because the mean of its divisors is an integer number (5555661100).

Almost surely, 2^11111322199 is an apocalyptic number.

11111322199 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111322199 is an equidigital number, since it uses as much as digits as its factorization.

11111322199 is an evil number, because the sum of its binary digits is even.

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

The spelling of 11111322199 in words is "eleven billion, one hundred eleven million, three hundred twenty-two thousand, one hundred ninety-nine".