111112010001 has 12 divisors (see below), whose sum is σ = 160554979728. Its totient is φ = 74047048344.

The previous prime is 111112009969. The next prime is 111112010071. The reversal of 111112010001 is 100010211111.

It is not a de Polignac number, because 111112010001 - 2⁵ = 111112009969 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111112010071) 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, 2276595 + ... + 2324888.

It is an arithmetic number, because the mean of its divisors is an integer number (13379581644).

Almost surely, 2^111112010001 is an apocalyptic number.

It is an amenable number.

111112010001 is a deficient number, since it is larger than the sum of its proper divisors (49442969727).

111112010001 is a wasteful number, since it uses less digits than its factorization.

111112010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4604172 (or 4604169 counting only the distinct ones).

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

Adding to 111112010001 its reverse (100010211111), we get a palindrome (211122221112).

The spelling of 111112010001 in words is "one hundred eleven billion, one hundred twelve million, ten thousand, one".