111002120199 has 32 divisors (see below), whose sum is σ = 166179552000. Its totient is φ = 73225283040.

The previous prime is 111002120179. The next prime is 111002120209. The reversal of 111002120199 is 991021200111.

It is not a de Polignac number, because 111002120199 - 2⁷ = 111002120071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111002120129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1189452 + ... + 1279374.

It is an arithmetic number, because the mean of its divisors is an integer number (5193111000).

Almost surely, 2^111002120199 is an apocalyptic number.

111002120199 is a deficient number, since it is larger than the sum of its proper divisors (55177431801).

111002120199 is a wasteful number, since it uses less digits than its factorization.

111002120199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90412 (or 90406 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The spelling of 111002120199 in words is "one hundred eleven billion, two million, one hundred twenty thousand, one hundred ninety-nine".