111010100009 has 4 divisors (see below), whose sum is σ = 111112226304. Its totient is φ = 110907973716.

The previous prime is 111010099999. The next prime is 111010100023. The reversal of 111010100009 is 900001010111.

It is a happy number.

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 111010100009 - 2²⁴ = 110993322793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111010099966 and 111010100002.

It is not an unprimeable number, because it can be changed into a prime (111010100059) 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, 51061517 + ... + 51063690.

It is an arithmetic number, because the mean of its divisors is an integer number (27778056576).

Almost surely, 2^111010100009 is an apocalyptic number.

It is an amenable number.

111010100009 is a deficient number, since it is larger than the sum of its proper divisors (102126295).

111010100009 is a wasteful number, since it uses less digits than its factorization.

111010100009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102126294.

The product of its (nonzero) digits is 9, while the sum is 14.

The spelling of 111010100009 in words is "one hundred eleven billion, ten million, one hundred thousand, nine".