2100032231321 has 4 divisors (see below), whose sum is σ = 2129610150144. Its totient is φ = 2070454312500.

The previous prime is 2100032231279. The next prime is 2100032231327. The reversal of 2100032231321 is 1231322300012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2100032231321 - 2²⁶ = 2099965122457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100032231293 and 2100032231302.

It is not an unprimeable number, because it can be changed into a prime (2100032231327) 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, 14788959305 + ... + 14788959446.

It is an arithmetic number, because the mean of its divisors is an integer number (532402537536).

Almost surely, 2^{2100032231321} is an apocalyptic number.

It is an amenable number.

2100032231321 is a deficient number, since it is larger than the sum of its proper divisors (29577918823).

2100032231321 is an equidigital number, since it uses as much as digits as its factorization.

2100032231321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29577918822.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2100032231321 its reverse (1231322300012), we get a palindrome (3331354531333).

The spelling of 2100032231321 in words is "two trillion, one hundred billion, thirty-two million, two hundred thirty-one thousand, three hundred twenty-one".