111032200121 has 2 divisors, whose sum is σ = 111032200122. Its totient is φ = 111032200120.

The previous prime is 111032200109. The next prime is 111032200219. The reversal of 111032200121 is 121002230111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108478009600 + 2554190521 = 329360^2 + 50539^2 .

It is a cyclic number.

It is not a de Polignac number, because 111032200121 - 2²⁶ = 110965091257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111032200096 and 111032200105.

It is not a weakly prime, because it can be changed into another prime (111032200021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55516100060 + 55516100061.

It is an arithmetic number, because the mean of its divisors is an integer number (55516100061).

Almost surely, 2^111032200121 is an apocalyptic number.

It is an amenable number.

111032200121 is a deficient number, since it is larger than the sum of its proper divisors (1).

111032200121 is an equidigital number, since it uses as much as digits as its factorization.

111032200121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111032200121 its reverse (121002230111), we get a palindrome (232034430232).

The spelling of 111032200121 in words is "one hundred eleven billion, thirty-two million, two hundred thousand, one hundred twenty-one".