2102553045203 has 8 divisors (see below), whose sum is σ = 2282116935168. Its totient is φ = 1925536161024.

The previous prime is 2102553045179. The next prime is 2102553045251. The reversal of 2102553045203 is 3025403552012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2102553045203 - 2⁸ = 2102553044947 is a prime.

It is a super-3 number, since 3×2102553045203³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 2102553045203.

It is not an unprimeable number, because it can be changed into a prime (2102553048203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636749726 + ... + 636753027.

It is an arithmetic number, because the mean of its divisors is an integer number (285264616896).

Almost surely, 2^{2102553045203} is an apocalyptic number.

2102553045203 is a deficient number, since it is larger than the sum of its proper divisors (179563889965).

2102553045203 is a wasteful number, since it uses less digits than its factorization.

2102553045203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273502893.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 2102553045203 its reverse (3025403552012), we get a palindrome (5127956597215).

The spelling of 2102553045203 in words is "two trillion, one hundred two billion, five hundred fifty-three million, forty-five thousand, two hundred three".