111010100101009 has 4 divisors (see below), whose sum is σ = 111065968296304. Its totient is φ = 110954231905716.

The previous prime is 111010100100983. The next prime is 111010100101133. The reversal of 111010100101009 is 900101001010111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111010100101009 - 2²⁷ = 111009965883281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111010100100983 and 111010100101001.

It is not an unprimeable number, because it can be changed into a prime (111010100101709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27934094667 + ... + 27934098640.

It is an arithmetic number, because the mean of its divisors is an integer number (27766492074076).

Almost surely, 2^{111010100101009} is an apocalyptic number.

It is an amenable number.

111010100101009 is a deficient number, since it is larger than the sum of its proper divisors (55868195295).

111010100101009 is an equidigital number, since it uses as much as digits as its factorization.

111010100101009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55868195294.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 111010100101009 in words is "one hundred eleven trillion, ten billion, one hundred million, one hundred one thousand, nine".