22211002123 has 2 divisors, whose sum is σ = 22211002124. Its totient is φ = 22211002122.

The previous prime is 22211002081. The next prime is 22211002159. The reversal of 22211002123 is 32120011222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22211002123 - 2¹⁷ = 22210871051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22211002097 and 22211002106.

It is not a weakly prime, because it can be changed into another prime (22211002523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105501061 + 11105501062.

It is an arithmetic number, because the mean of its divisors is an integer number (11105501062).

Almost surely, 2^22211002123 is an apocalyptic number.

22211002123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211002123 is an equidigital number, since it uses as much as digits as its factorization.

22211002123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22211002123 its reverse (32120011222), we get a palindrome (54331013345).

Subtracting 22211002123 from its reverse (32120011222), we obtain a palindrome (9909009099).

The spelling of 22211002123 in words is "twenty-two billion, two hundred eleven million, two thousand, one hundred twenty-three".