22201012123 has 2 divisors, whose sum is σ = 22201012124. Its totient is φ = 22201012122.

The previous prime is 22201012091. The next prime is 22201012129. The reversal of 22201012123 is 32121010222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22201012123 - 2⁵ = 22201012091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22201012097 and 22201012106.

It is not a weakly prime, because it can be changed into another prime (22201012129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100506061 + 11100506062.

It is an arithmetic number, because the mean of its divisors is an integer number (11100506062).

Almost surely, 2^22201012123 is an apocalyptic number.

22201012123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201012123 is an equidigital number, since it uses as much as digits as its factorization.

22201012123 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 22201012123 its reverse (32121010222), we get a palindrome (54322022345).

The spelling of 22201012123 in words is "twenty-two billion, two hundred one million, twelve thousand, one hundred twenty-three".