121102310023 has 2 divisors, whose sum is σ = 121102310024. Its totient is φ = 121102310022.

The previous prime is 121102309931. The next prime is 121102310041. The reversal of 121102310023 is 320013201121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121102310023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121102309979 and 121102310006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121102350023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551155011 + 60551155012.

It is an arithmetic number, because the mean of its divisors is an integer number (60551155012).

Almost surely, 2^121102310023 is an apocalyptic number.

121102310023 is a deficient number, since it is larger than the sum of its proper divisors (1).

121102310023 is an equidigital number, since it uses as much as digits as its factorization.

121102310023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121102310023 its reverse (320013201121), we get a palindrome (441115511144).

The spelling of 121102310023 in words is "one hundred twenty-one billion, one hundred two million, three hundred ten thousand, twenty-three".