111122103001 has 16 divisors (see below), whose sum is σ = 137352668544. Its totient is φ = 87543425664.

The previous prime is 111122102969. The next prime is 111122103023. The reversal of 111122103001 is 100301221111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111122103001 - 2⁵ = 111122102969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (111132103001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2599231 + ... + 2641636.

It is an arithmetic number, because the mean of its divisors is an integer number (8584541784).

Almost surely, 2^111122103001 is an apocalyptic number.

It is an amenable number.

111122103001 is a deficient number, since it is larger than the sum of its proper divisors (26230565543).

111122103001 is a wasteful number, since it uses less digits than its factorization.

111122103001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241120.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111122103001 its reverse (100301221111), we get a palindrome (211423324112).

The spelling of 111122103001 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred three thousand, one".