111110012001 has 12 divisors (see below), whose sum is σ = 167470163328. Its totient is φ = 70852761144.

The previous prime is 111110011997. The next prime is 111110012009. The reversal of 111110012001 is 100210011111.

It is not a de Polignac number, because 111110012001 - 2² = 111110011997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (111110012009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268381465 + ... + 268381878.

It is an arithmetic number, because the mean of its divisors is an integer number (13955846944).

Almost surely, 2^111110012001 is an apocalyptic number.

It is an amenable number.

111110012001 is a deficient number, since it is larger than the sum of its proper divisors (56360151327).

111110012001 is a wasteful number, since it uses less digits than its factorization.

111110012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536763372 (or 536763369 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 111110012001 its reverse (100210011111), we get a palindrome (211320023112).

The spelling of 111110012001 in words is "one hundred eleven billion, one hundred ten million, twelve thousand, one".