2132103221 has 4 divisors (see below), whose sum is σ = 2244319200. Its totient is φ = 2019887244.

The previous prime is 2132103203. The next prime is 2132103227. The reversal of 2132103221 is 1223012312.

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 2132103221 - 2²⁶ = 2064994357 is a prime.

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 2132103221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132103227) 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, 56107961 + ... + 56107998.

It is an arithmetic number, because the mean of its divisors is an integer number (561079800).

Almost surely, 2^2132103221 is an apocalyptic number.

It is an amenable number.

2132103221 is a deficient number, since it is larger than the sum of its proper divisors (112215979).

2132103221 is a wasteful number, since it uses less digits than its factorization.

2132103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112215978.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2132103221 is about 46174.7032583860. The cubic root of 2132103221 is about 1287.0717026518.

Adding to 2132103221 its reverse (1223012312), we get a palindrome (3355115533).

Subtracting from 2132103221 its reverse (1223012312), we obtain a palindrome (909090909).

The spelling of 2132103221 in words is "two billion, one hundred thirty-two million, one hundred three thousand, two hundred twenty-one".