111141214090121 has 2 divisors, whose sum is σ = 111141214090122. Its totient is φ = 111141214090120.

The previous prime is 111141214090069. The next prime is 111141214090169. The reversal of 111141214090121 is 121090412141111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61040015721721 + 50101198368400 = 7812811^2 + 7078220^2 .

It is a cyclic number.

It is not a de Polignac number, because 111141214090121 - 2³⁴ = 111124034220937 is a prime.

It is a super-2 number, since 2×111141214090121² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111141214090721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55570607045060 + 55570607045061.

It is an arithmetic number, because the mean of its divisors is an integer number (55570607045061).

Almost surely, 2^{111141214090121} is an apocalyptic number.

It is an amenable number.

111141214090121 is a deficient number, since it is larger than the sum of its proper divisors (1).

111141214090121 is an equidigital number, since it uses as much as digits as its factorization.

111141214090121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 29.

The spelling of 111141214090121 in words is "one hundred eleven trillion, one hundred forty-one billion, two hundred fourteen million, ninety thousand, one hundred twenty-one".