2103251125043 has 4 divisors (see below), whose sum is σ = 2103404537568. Its totient is φ = 2103097712520.

The previous prime is 2103251124983. The next prime is 2103251125049. The reversal of 2103251125043 is 3405211523012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2103251125043 - 2¹² = 2103251120947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103251124997 and 2103251125015.

It is not an unprimeable number, because it can be changed into a prime (2103251125049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76685696 + ... + 76713117.

It is an arithmetic number, because the mean of its divisors is an integer number (525851134392).

Almost surely, 2^{2103251125043} is an apocalyptic number.

2103251125043 is a deficient number, since it is larger than the sum of its proper divisors (153412525).

2103251125043 is a wasteful number, since it uses less digits than its factorization.

2103251125043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153412524.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 2103251125043 its reverse (3405211523012), we get a palindrome (5508462648055).

The spelling of 2103251125043 in words is "two trillion, one hundred three billion, two hundred fifty-one million, one hundred twenty-five thousand, forty-three".