2143100202321 has 16 divisors (see below), whose sum is σ = 3176538928640. Its totient is φ = 1276287960960.

The previous prime is 2143100202307. The next prime is 2143100202323. The reversal of 2143100202321 is 1232020013412.

It is not a de Polignac number, because 2143100202321 - 2⁵ = 2143100202289 is a prime.

It is a super-2 number, since 2×2143100202321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2143100202323) 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, 886309876 + ... + 886312293.

It is an arithmetic number, because the mean of its divisors is an integer number (198533683040).

Almost surely, 2^{2143100202321} is an apocalyptic number.

It is an amenable number.

2143100202321 is a deficient number, since it is larger than the sum of its proper divisors (1033438726319).

2143100202321 is a wasteful number, since it uses less digits than its factorization.

2143100202321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772622216.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2143100202321 its reverse (1232020013412), we get a palindrome (3375120215733).

The spelling of 2143100202321 in words is "two trillion, one hundred forty-three billion, one hundred million, two hundred two thousand, three hundred twenty-one".