22755313121 has 4 divisors (see below), whose sum is σ = 23952961200. Its totient is φ = 21557665044.

The previous prime is 22755313111. The next prime is 22755313151. The reversal of 22755313121 is 12131355722.

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 22755313121 - 2¹⁴ = 22755296737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22755313111) 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, 598824011 + ... + 598824048.

It is an arithmetic number, because the mean of its divisors is an integer number (5988240300).

Almost surely, 2^22755313121 is an apocalyptic number.

It is an amenable number.

22755313121 is a deficient number, since it is larger than the sum of its proper divisors (1197648079).

22755313121 is a wasteful number, since it uses less digits than its factorization.

22755313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197648078.

The product of its digits is 12600, while the sum is 32.

Adding to 22755313121 its reverse (12131355722), we get a palindrome (34886668843).

The spelling of 22755313121 in words is "twenty-two billion, seven hundred fifty-five million, three hundred thirteen thousand, one hundred twenty-one".