111099020011 has 24 divisors (see below), whose sum is σ = 131446104000. Its totient is φ = 93610992384.

The previous prime is 111099019987. The next prime is 111099020023. The reversal of 111099020011 is 110020990111.

It is not a de Polignac number, because 111099020011 - 2¹⁷ = 111098888939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111099020111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 823795 + ... + 949123.

It is an arithmetic number, because the mean of its divisors is an integer number (5476921000).

Almost surely, 2^111099020011 is an apocalyptic number.

111099020011 is a deficient number, since it is larger than the sum of its proper divisors (20347083989).

111099020011 is a wasteful number, since it uses less digits than its factorization.

111099020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125651 (or 125644 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 111099020011 in words is "one hundred eleven billion, ninety-nine million, twenty thousand, eleven".