5121101225123 has 16 divisors (see below), whose sum is σ = 5605669423200. Its totient is φ = 4650105231360.

The previous prime is 5121101225111. The next prime is 5121101225153. The reversal of 5121101225123 is 3215221011215.

It is a cyclic number.

It is not a de Polignac number, because 5121101225123 - 2⁶ = 5121101225059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5121101225092 and 5121101225101.

It is not an unprimeable number, because it can be changed into a prime (5121101225153) 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, 12803198 + ... + 13197123.

It is an arithmetic number, because the mean of its divisors is an integer number (350354338950).

Almost surely, 2^{5121101225123} is an apocalyptic number.

5121101225123 is a deficient number, since it is larger than the sum of its proper divisors (484568198077).

5121101225123 is a wasteful number, since it uses less digits than its factorization.

5121101225123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26000582.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 5121101225123 its reverse (3215221011215), we get a palindrome (8336322236338).

The spelling of 5121101225123 in words is "five trillion, one hundred twenty-one billion, one hundred one million, two hundred twenty-five thousand, one hundred twenty-three".