2121130223303 has 16 divisors (see below), whose sum is σ = 2654869647360. Its totient is φ = 1649811843936.

The previous prime is 2121130223293. The next prime is 2121130223323. The reversal of 2121130223303 is 3033220311212.

It is a cyclic number.

It is not a de Polignac number, because 2121130223303 - 2¹⁰ = 2121130222279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121130223323) 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, 197529575 + ... + 197540312.

It is an arithmetic number, because the mean of its divisors is an integer number (165929352960).

Almost surely, 2^{2121130223303} is an apocalyptic number.

2121130223303 is a deficient number, since it is larger than the sum of its proper divisors (533739424057).

2121130223303 is a wasteful number, since it uses less digits than its factorization.

2121130223303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395069966.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2121130223303 its reverse (3033220311212), we get a palindrome (5154350534515).

The spelling of 2121130223303 in words is "two trillion, one hundred twenty-one billion, one hundred thirty million, two hundred twenty-three thousand, three hundred three".