111012210099 has 64 divisors (see below), whose sum is σ = 192065126400. Its totient is φ = 62050657824.

The previous prime is 111012210079. The next prime is 111012210103. The reversal of 111012210099 is 990012210111.

It is not a de Polignac number, because 111012210099 - 2⁸ = 111012209843 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (111012210079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29374192 + ... + 29377970.

It is an arithmetic number, because the mean of its divisors is an integer number (3001017600).

Almost surely, 2^111012210099 is an apocalyptic number.

111012210099 is a deficient number, since it is larger than the sum of its proper divisors (81052916301).

111012210099 is a wasteful number, since it uses less digits than its factorization.

111012210099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7149 (or 7143 counting only the distinct ones).

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

The spelling of 111012210099 in words is "one hundred eleven billion, twelve million, two hundred ten thousand, ninety-nine".