111022440001 has 16 divisors (see below), whose sum is σ = 122329479168. Its totient is φ = 99918363600.

The previous prime is 111022439933. The next prime is 111022440043. The reversal of 111022440001 is 100044220111.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-111022440001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111022440701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4100430 + ... + 4127416.

It is an arithmetic number, because the mean of its divisors is an integer number (7645592448).

Almost surely, 2^111022440001 is an apocalyptic number.

111022440001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111022440001 is a deficient number, since it is larger than the sum of its proper divisors (11307039167).

111022440001 is a wasteful number, since it uses less digits than its factorization.

111022440001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30732.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111022440001 its reverse (100044220111), we get a palindrome (211066660112).

The spelling of 111022440001 in words is "one hundred eleven billion, twenty-two million, four hundred forty thousand, one".