1111201199 has 4 divisors (see below), whose sum is σ = 1112277936. Its totient is φ = 1110124464.

The previous prime is 1111201181. The next prime is 1111201237. The reversal of 1111201199 is 9911021111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9911021111 = 157 ⋅63127523.

It is a cyclic number.

It is not a de Polignac number, because 1111201199 - 2¹² = 1111197103 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 (1111203199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536819 + ... + 538884.

It is an arithmetic number, because the mean of its divisors is an integer number (278069484).

Almost surely, 2^1111201199 is an apocalyptic number.

1111201199 is a deficient number, since it is larger than the sum of its proper divisors (1076737).

1111201199 is a wasteful number, since it uses less digits than its factorization.

1111201199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076736.

The product of its (nonzero) digits is 162, while the sum is 26.

The square root of 1111201199 is about 33334.6846242769. The cubic root of 1111201199 is about 1035.7721602965.

The spelling of 1111201199 in words is "one billion, one hundred eleven million, two hundred one thousand, one hundred ninety-nine".