121101331322123 has 2 divisors, whose sum is σ = 121101331322124. Its totient is φ = 121101331322122.

The previous prime is 121101331322107. The next prime is 121101331322159. The reversal of 121101331322123 is 321223133101121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121101331322123 - 2⁴ = 121101331322107 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 121101331322092 and 121101331322101.

It is not a weakly prime, because it can be changed into another prime (121101331322423) 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, 60550665661061 + 60550665661062.

It is an arithmetic number, because the mean of its divisors is an integer number (60550665661062).

Almost surely, 2^{121101331322123} is an apocalyptic number.

121101331322123 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101331322123 is an equidigital number, since it uses as much as digits as its factorization.

121101331322123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 121101331322123 its reverse (321223133101121), we get a palindrome (442324464423244).

The spelling of 121101331322123 in words is "one hundred twenty-one trillion, one hundred one billion, three hundred thirty-one million, three hundred twenty-two thousand, one hundred twenty-three".