121232222113 has 2 divisors, whose sum is σ = 121232222114. Its totient is φ = 121232222112.

The previous prime is 121232222081. The next prime is 121232222119. The reversal of 121232222113 is 311222232121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120223079824 + 1009142289 = 346732^2 + 31767^2 .

It is a cyclic number.

It is not a de Polignac number, because 121232222113 - 2⁵ = 121232222081 is a prime.

It is not a weakly prime, because it can be changed into another prime (121232222119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60616111056 + 60616111057.

It is an arithmetic number, because the mean of its divisors is an integer number (60616111057).

Almost surely, 2^121232222113 is an apocalyptic number.

It is an amenable number.

121232222113 is a deficient number, since it is larger than the sum of its proper divisors (1).

121232222113 is an equidigital number, since it uses as much as digits as its factorization.

121232222113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

Adding to 121232222113 its reverse (311222232121), we get a palindrome (432454454234).

The spelling of 121232222113 in words is "one hundred twenty-one billion, two hundred thirty-two million, two hundred twenty-two thousand, one hundred thirteen".