2550323134221 has 4 divisors (see below), whose sum is σ = 3400430845632. Its totient is φ = 1700215422812.

The previous prime is 2550323134199. The next prime is 2550323134321. The reversal of 2550323134221 is 1224313230552.

2550323134221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 2550323134221 - 2⁶ = 2550323134157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550323134321) 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, 425053855701 + ... + 425053855706.

It is an arithmetic number, because the mean of its divisors is an integer number (850107711408).

Almost surely, 2^{2550323134221} is an apocalyptic number.

It is an amenable number.

2550323134221 is a deficient number, since it is larger than the sum of its proper divisors (850107711411).

2550323134221 is an equidigital number, since it uses as much as digits as its factorization.

2550323134221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850107711410.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 2550323134221 its reverse (1224313230552), we get a palindrome (3774636364773).

The spelling of 2550323134221 in words is "two trillion, five hundred fifty billion, three hundred twenty-three million, one hundred thirty-four thousand, two hundred twenty-one".