2123000003121 has 32 divisors (see below), whose sum is σ = 2911449354240. Its totient is φ = 1375225257600.

The previous prime is 2123000003087. The next prime is 2123000003143. The reversal of 2123000003121 is 1213000003212.

It is not a de Polignac number, because 2123000003121 - 2²¹ = 2122997905969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2123000003121.

It is not an unprimeable number, because it can be changed into a prime (2123000003191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108622476 + ... + 108642018.

It is an arithmetic number, because the mean of its divisors is an integer number (90982792320).

Almost surely, 2^{2123000003121} is an apocalyptic number.

It is an amenable number.

2123000003121 is a deficient number, since it is larger than the sum of its proper divisors (788449351119).

2123000003121 is a wasteful number, since it uses less digits than its factorization.

2123000003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23117.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2123000003121 its reverse (1213000003212), we get a palindrome (3336000006333).

Subtracting from 2123000003121 its reverse (1213000003212), we obtain a palindrome (909999999909).

The spelling of 2123000003121 in words is "two trillion, one hundred twenty-three billion, three thousand, one hundred twenty-one".