22145050120321 has 4 divisors (see below), whose sum is σ = 22208868708912. Its totient is φ = 22081231531732.

The previous prime is 22145050120313. The next prime is 22145050120337. The reversal of 22145050120321 is 12302105054122.

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 22145050120321 - 2³ = 22145050120313 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 22145050120321.

It is not an unprimeable number, because it can be changed into a prime (22145050120621) 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, 31909293775 + ... + 31909294468.

It is an arithmetic number, because the mean of its divisors is an integer number (5552217177228).

Almost surely, 2^{22145050120321} is an apocalyptic number.

It is an amenable number.

22145050120321 is a deficient number, since it is larger than the sum of its proper divisors (63818588591).

22145050120321 is an equidigital number, since it uses as much as digits as its factorization.

22145050120321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63818588590.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 22145050120321 its reverse (12302105054122), we get a palindrome (34447155174443).

The spelling of 22145050120321 in words is "twenty-two trillion, one hundred forty-five billion, fifty million, one hundred twenty thousand, three hundred twenty-one".