22112312301 has 12 divisors (see below), whose sum is σ = 33818830812. Its totient is φ = 13874391936.

The previous prime is 22112312231. The next prime is 22112312311. The reversal of 22112312301 is 10321321122.

It can be written as a sum of positive squares in 2 ways, for example, as 17285675625 + 4826636676 = 131475^2 + 69474^2 .

It is not a de Polignac number, because 22112312301 - 2¹⁵ = 22112279533 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112312311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72262306 + ... + 72262611.

It is an arithmetic number, because the mean of its divisors is an integer number (2818235901).

Almost surely, 2^22112312301 is an apocalyptic number.

It is an amenable number.

22112312301 is a deficient number, since it is larger than the sum of its proper divisors (11706518511).

22112312301 is a wasteful number, since it uses less digits than its factorization.

22112312301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144524940 (or 144524937 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22112312301 its reverse (10321321122), we get a palindrome (32433633423).

The spelling of 22112312301 in words is "twenty-two billion, one hundred twelve million, three hundred twelve thousand, three hundred one".