111110001001001 has 8 divisors (see below), whose sum is σ = 111200883507840. Its totient is φ = 111019120209648.

The previous prime is 111110001000961. The next prime is 111110001001007. The reversal of 111110001001001 is 100100100011111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111110001001001 - 2²⁶ = 111109933892137 is a prime.

It is a Duffinian number.

111110001001001 is a modest number, since divided by 1001001 gives 111110 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 111110001001001.

It is not an unprimeable number, because it can be changed into a prime (111110001001007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150976160 + ... + 151710318.

It is an arithmetic number, because the mean of its divisors is an integer number (13900110438480).

Almost surely, 2^{111110001001001} is an apocalyptic number.

It is an amenable number.

111110001001001 is a deficient number, since it is larger than the sum of its proper divisors (90882506839).

111110001001001 is a wasteful number, since it uses less digits than its factorization.

111110001001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857743.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 111110001001001 its reverse (100100100011111), we get a palindrome (211210101012112).

The spelling of 111110001001001 in words is "one hundred eleven trillion, one hundred ten billion, one million, one thousand, one".