22110031223213 has 2 divisors, whose sum is σ = 22110031223214. Its totient is φ = 22110031223212.

The previous prime is 22110031223149. The next prime is 22110031223237. The reversal of 22110031223213 is 31232213001122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17855720713609 + 4254310509604 = 4225603^2 + 2062598^2 .

It is a cyclic number.

It is not a de Polignac number, because 22110031223213 - 2⁶ = 22110031223149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22110039223213) 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 as a sum of consecutive naturals, namely, 11055015611606 + 11055015611607.

It is an arithmetic number, because the mean of its divisors is an integer number (11055015611607).

Almost surely, 2^{22110031223213} is an apocalyptic number.

It is an amenable number.

22110031223213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22110031223213 is an equidigital number, since it uses as much as digits as its factorization.

22110031223213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 22110031223213 its reverse (31232213001122), we get a palindrome (53342244224335).

The spelling of 22110031223213 in words is "twenty-two trillion, one hundred ten billion, thirty-one million, two hundred twenty-three thousand, two hundred thirteen".