22203103121 has 2 divisors, whose sum is σ = 22203103122. Its totient is φ = 22203103120.

The previous prime is 22203103099. The next prime is 22203103193. The reversal of 22203103121 is 12130130222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11569368721 + 10633734400 = 107561^2 + 103120^2 .

It is a cyclic number.

It is not a de Polignac number, because 22203103121 - 2⁶ = 22203103057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22203103121.

It is not a weakly prime, because it can be changed into another prime (22203103721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101551560 + 11101551561.

It is an arithmetic number, because the mean of its divisors is an integer number (11101551561).

Almost surely, 2^22203103121 is an apocalyptic number.

It is an amenable number.

22203103121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22203103121 is an equidigital number, since it uses as much as digits as its factorization.

22203103121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22203103121 its reverse (12130130222), we get a palindrome (34333233343).

The spelling of 22203103121 in words is "twenty-two billion, two hundred three million, one hundred three thousand, one hundred twenty-one".