111002001994 has 32 divisors (see below), whose sum is σ = 181769503104. Its totient is φ = 50531273280.

The previous prime is 111002001961. The next prime is 111002002003. The reversal of 111002001994 is 499100200111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1280899 + ... + 1364809.

It is an arithmetic number, because the mean of its divisors is an integer number (5680296972).

Almost surely, 2^111002001994 is an apocalyptic number.

111002001994 is a deficient number, since it is larger than the sum of its proper divisors (70767501110).

111002001994 is a wasteful number, since it uses less digits than its factorization.

111002001994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84622.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 111002001994 in words is "one hundred eleven billion, two million, one thousand, nine hundred ninety-four".