121133130232123 has 2 divisors, whose sum is σ = 121133130232124. Its totient is φ = 121133130232122.

The previous prime is 121133130232073. The next prime is 121133130232129. The reversal of 121133130232123 is 321232031331121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121133130232123 - 2¹⁷ = 121133130101051 is a prime.

It is a super-2 number, since 2×121133130232123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121133130232091 and 121133130232100.

It is not a weakly prime, because it can be changed into another prime (121133130232129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60566565116061 + 60566565116062.

It is an arithmetic number, because the mean of its divisors is an integer number (60566565116062).

Almost surely, 2^{121133130232123} is an apocalyptic number.

121133130232123 is a deficient number, since it is larger than the sum of its proper divisors (1).

121133130232123 is an equidigital number, since it uses as much as digits as its factorization.

121133130232123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 121133130232123 its reverse (321232031331121), we get a palindrome (442365161563244).

The spelling of 121133130232123 in words is "one hundred twenty-one trillion, one hundred thirty-three billion, one hundred thirty million, two hundred thirty-two thousand, one hundred twenty-three".