22212211123 has 2 divisors, whose sum is σ = 22212211124. Its totient is φ = 22212211122.

The previous prime is 22212211111. The next prime is 22212211187. The reversal of 22212211123 is 32111221222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22212211123 - 2³³ = 13622276531 is a prime.

It is a super-2 number, since 2×22212211123² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22212211123.

It is not a weakly prime, because it can be changed into another prime (22212211523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106105561 + 11106105562.

It is an arithmetic number, because the mean of its divisors is an integer number (11106105562).

Almost surely, 2^22212211123 is an apocalyptic number.

22212211123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212211123 is an equidigital number, since it uses as much as digits as its factorization.

22212211123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 19.

Adding to 22212211123 its reverse (32111221222), we get a palindrome (54323432345).

The spelling of 22212211123 in words is "twenty-two billion, two hundred twelve million, two hundred eleven thousand, one hundred twenty-three".