22123122312001 has 4 divisors (see below), whose sum is σ = 22453318167472. Its totient is φ = 21792926456532.

The previous prime is 22123122311987. The next prime is 22123122312007. The reversal of 22123122312001 is 10021322132122.

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 22123122312001 - 2¹³ = 22123122303809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22123122312007) 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, 165097927635 + ... + 165097927768.

It is an arithmetic number, because the mean of its divisors is an integer number (5613329541868).

Almost surely, 2^{22123122312001} is an apocalyptic number.

It is an amenable number.

22123122312001 is a deficient number, since it is larger than the sum of its proper divisors (330195855471).

22123122312001 is an equidigital number, since it uses as much as digits as its factorization.

22123122312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330195855470.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22123122312001 its reverse (10021322132122), we get a palindrome (32144444444123).

The spelling of 22123122312001 in words is "twenty-two trillion, one hundred twenty-three billion, one hundred twenty-two million, three hundred twelve thousand, one".