103123010121 has 16 divisors (see below), whose sum is σ = 137926524288. Its totient is φ = 68534294400.

The previous prime is 103123010117. The next prime is 103123010141. The reversal of 103123010121 is 121010321301.

It is a happy number.

It is not a de Polignac number, because 103123010121 - 2² = 103123010117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103123010121.

It is not an unprimeable number, because it can be changed into a prime (103123010141) 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, 2024556 + ... + 2074866.

It is an arithmetic number, because the mean of its divisors is an integer number (8620407768).

Almost surely, 2^103123010121 is an apocalyptic number.

It is an amenable number.

103123010121 is a deficient number, since it is larger than the sum of its proper divisors (34803514167).

103123010121 is a wasteful number, since it uses less digits than its factorization.

103123010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52432.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 103123010121 its reverse (121010321301), we get a palindrome (224133331422).

The spelling of 103123010121 in words is "one hundred three billion, one hundred twenty-three million, ten thousand, one hundred twenty-one".