22123131120011 has 4 divisors (see below), whose sum is σ = 22721053582752. Its totient is φ = 21525208657272.

The previous prime is 22123131119987. The next prime is 22123131120019. The reversal of 22123131120011 is 11002113132122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22123131120011 - 2¹⁴ = 22123131103627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22123131120019) 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, 298961231315 + ... + 298961231388.

It is an arithmetic number, because the mean of its divisors is an integer number (5680263395688).

Almost surely, 2^{22123131120011} is an apocalyptic number.

22123131120011 is a deficient number, since it is larger than the sum of its proper divisors (597922462741).

22123131120011 is an equidigital number, since it uses as much as digits as its factorization.

22123131120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597922462740.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 22123131120011 its reverse (11002113132122), we get a palindrome (33125244252133).

The spelling of 22123131120011 in words is "twenty-two trillion, one hundred twenty-three billion, one hundred thirty-one million, one hundred twenty thousand, eleven".