22213120123 has 2 divisors, whose sum is σ = 22213120124. Its totient is φ = 22213120122.

The previous prime is 22213120121. The next prime is 22213120129. The reversal of 22213120123 is 32102131222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22213120123 - 2¹ = 22213120121 is a prime.

Together with 22213120121, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22213120123.

It is not a weakly prime, because it can be changed into another prime (22213120121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106560061 + 11106560062.

It is an arithmetic number, because the mean of its divisors is an integer number (11106560062).

Almost surely, 2^22213120123 is an apocalyptic number.

22213120123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22213120123 is an equidigital number, since it uses as much as digits as its factorization.

22213120123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22213120123 its reverse (32102131222), we get a palindrome (54315251345).

The spelling of 22213120123 in words is "twenty-two billion, two hundred thirteen million, one hundred twenty thousand, one hundred twenty-three".