2152231120441 has 4 divisors (see below), whose sum is σ = 2178161615952. Its totient is φ = 2126300624932.

The previous prime is 2152231120357. The next prime is 2152231120493. The reversal of 2152231120441 is 1440211322512.

It is a happy number.

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 2152231120441 - 2²⁵ = 2152197566009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152231120541) 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, 12965247631 + ... + 12965247796.

It is an arithmetic number, because the mean of its divisors is an integer number (544540403988).

Almost surely, 2^{2152231120441} is an apocalyptic number.

It is an amenable number.

2152231120441 is a deficient number, since it is larger than the sum of its proper divisors (25930495511).

2152231120441 is an equidigital number, since it uses as much as digits as its factorization.

2152231120441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25930495510.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 2152231120441 its reverse (1440211322512), we get a palindrome (3592442442953).

The spelling of 2152231120441 in words is "two trillion, one hundred fifty-two billion, two hundred thirty-one million, one hundred twenty thousand, four hundred forty-one".