121110213023 has 2 divisors, whose sum is σ = 121110213024. Its totient is φ = 121110213022.

The previous prime is 121110213017. The next prime is 121110213031. The reversal of 121110213023 is 320312011121.

It is a weak prime.

It is an emirp because it is prime and its reverse (320312011121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121110213023 - 2¹² = 121110208927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121110212992 and 121110213010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121110213053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60555106511 + 60555106512.

It is an arithmetic number, because the mean of its divisors is an integer number (60555106512).

Almost surely, 2^121110213023 is an apocalyptic number.

121110213023 is a deficient number, since it is larger than the sum of its proper divisors (1).

121110213023 is an equidigital number, since it uses as much as digits as its factorization.

121110213023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121110213023 its reverse (320312011121), we get a palindrome (441422224144).

The spelling of 121110213023 in words is "one hundred twenty-one billion, one hundred ten million, two hundred thirteen thousand, twenty-three".