2503423110121 has 16 divisors (see below), whose sum is σ = 2640790152000. Its totient is φ = 2366622206208.

The previous prime is 2503423110113. The next prime is 2503423110161. The reversal of 2503423110121 is 1210113243052.

It is a cyclic number.

It is not a de Polignac number, because 2503423110121 - 2³ = 2503423110113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2503423110161) 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, 17007586 + ... + 17154148.

It is an arithmetic number, because the mean of its divisors is an integer number (165049384500).

Almost surely, 2^{2503423110121} is an apocalyptic number.

It is an amenable number.

2503423110121 is a deficient number, since it is larger than the sum of its proper divisors (137367041879).

2503423110121 is a wasteful number, since it uses less digits than its factorization.

2503423110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148488.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 2503423110121 its reverse (1210113243052), we get a palindrome (3713536353173).

The spelling of 2503423110121 in words is "two trillion, five hundred three billion, four hundred twenty-three million, one hundred ten thousand, one hundred twenty-one".