1111231199 has 16 divisors (see below), whose sum is σ = 1226897280. Its totient is φ = 1000047360.

The previous prime is 1111231183. The next prime is 1111231201. The reversal of 1111231199 is 9911321111.

It is not a de Polignac number, because 1111231199 - 2⁴ = 1111231183 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 (1111231999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160979 + ... + 167739.

It is an arithmetic number, because the mean of its divisors is an integer number (76681080).

Almost surely, 2^1111231199 is an apocalyptic number.

1111231199 is a deficient number, since it is larger than the sum of its proper divisors (115666081).

1111231199 is a wasteful number, since it uses less digits than its factorization.

1111231199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7090.

The product of its digits is 486, while the sum is 29.

The square root of 1111231199 is about 33335.1346029981. The cubic root of 1111231199 is about 1035.7814814063.

The spelling of 1111231199 in words is "one billion, one hundred eleven million, two hundred thirty-one thousand, one hundred ninety-nine".