113222031121 has 2 divisors, whose sum is σ = 113222031122. Its totient is φ = 113222031120.

The previous prime is 113222031089. The next prime is 113222031137. The reversal of 113222031121 is 121130222311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106991139025 + 6230892096 = 327095^2 + 78936^2 .

It is a cyclic number.

It is not a de Polignac number, because 113222031121 - 2⁵ = 113222031089 is a prime.

It is not a weakly prime, because it can be changed into another prime (113222631121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56611015560 + 56611015561.

It is an arithmetic number, because the mean of its divisors is an integer number (56611015561).

Almost surely, 2^113222031121 is an apocalyptic number.

It is an amenable number.

113222031121 is a deficient number, since it is larger than the sum of its proper divisors (1).

113222031121 is an equidigital number, since it uses as much as digits as its factorization.

113222031121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 113222031121 its reverse (121130222311), we get a palindrome (234352253432).

The spelling of 113222031121 in words is "one hundred thirteen billion, two hundred twenty-two million, thirty-one thousand, one hundred twenty-one".