121323031133 has 2 divisors, whose sum is σ = 121323031134. Its totient is φ = 121323031132.

The previous prime is 121323031097. The next prime is 121323031153. The reversal of 121323031133 is 331130323121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79198342084 + 42124689049 = 281422^2 + 205243^2 .

It is a cyclic number.

It is not a de Polignac number, because 121323031133 - 2⁸ = 121323030877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121323031099 and 121323031108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121323031153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60661515566 + 60661515567.

It is an arithmetic number, because the mean of its divisors is an integer number (60661515567).

Almost surely, 2^121323031133 is an apocalyptic number.

It is an amenable number.

121323031133 is a deficient number, since it is larger than the sum of its proper divisors (1).

121323031133 is an equidigital number, since it uses as much as digits as its factorization.

121323031133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 121323031133 its reverse (331130323121), we get a palindrome (452453354254).

The spelling of 121323031133 in words is "one hundred twenty-one billion, three hundred twenty-three million, thirty-one thousand, one hundred thirty-three".