2130122103123 has 16 divisors (see below), whose sum is σ = 3245941715456. Its totient is φ = 1217197117440.

The previous prime is 2130122103121. The next prime is 2130122103143. The reversal of 2130122103123 is 3213012210312.

It is not a de Polignac number, because 2130122103123 - 2¹ = 2130122103121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2130122103123.

It is not an unprimeable number, because it can be changed into a prime (2130122103121) 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, 1157715 + ... + 2366547.

It is an arithmetic number, because the mean of its divisors is an integer number (202871357216).

Almost surely, 2^{2130122103123} is an apocalyptic number.

2130122103123 is a deficient number, since it is larger than the sum of its proper divisors (1115819612333).

2130122103123 is a wasteful number, since it uses less digits than its factorization.

2130122103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292754.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2130122103123 its reverse (3213012210312), we get a palindrome (5343134313435).

It can be divided in two parts, 213012210312 and 3, that multiplied together give a palindrome (639036630936).

The spelling of 2130122103123 in words is "two trillion, one hundred thirty billion, one hundred twenty-two million, one hundred three thousand, one hundred twenty-three".