121310103020023 has 16 divisors (see below), whose sum is σ = 125164108528000. Its totient is φ = 117520879898880.

The previous prime is 121310103019969. The next prime is 121310103020033. The reversal of 121310103020023 is 320020301013121.

It is a cyclic number.

It is not a de Polignac number, because 121310103020023 - 2¹⁷ = 121310102888951 is a prime.

It is a super-2 number, since 2×121310103020023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121310103020033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16054623 + ... + 22368976.

It is an arithmetic number, because the mean of its divisors is an integer number (7822756783000).

Almost surely, 2^{121310103020023} is an apocalyptic number.

121310103020023 is a deficient number, since it is larger than the sum of its proper divisors (3854005507977).

121310103020023 is an equidigital number, since it uses as much as digits as its factorization.

121310103020023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38424442.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121310103020023 its reverse (320020301013121), we get a palindrome (441330404033144).

The spelling of 121310103020023 in words is "one hundred twenty-one trillion, three hundred ten billion, one hundred three million, twenty thousand, twenty-three".