111022200121 has 16 divisors (see below), whose sum is σ = 129034624000. Its totient is φ = 93553503120.

The previous prime is 111022200119. The next prime is 111022200173. The reversal of 111022200121 is 121002220111.

It is not a de Polignac number, because 111022200121 - 2¹ = 111022200119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111022210121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3165 + ... + 471226.

It is an arithmetic number, because the mean of its divisors is an integer number (8064664000).

Almost surely, 2^111022200121 is an apocalyptic number.

It is an amenable number.

111022200121 is a deficient number, since it is larger than the sum of its proper divisors (18012423879).

111022200121 is an equidigital number, since it uses as much as digits as its factorization.

111022200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474964.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111022200121 its reverse (121002220111), we get a palindrome (232024420232).

The spelling of 111022200121 in words is "one hundred eleven billion, twenty-two million, two hundred thousand, one hundred twenty-one".