22303110121 has 2 divisors, whose sum is σ = 22303110122. Its totient is φ = 22303110120.

The previous prime is 22303110077. The next prime is 22303110139. The reversal of 22303110121 is 12101130322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22263922521 + 39187600 = 149211^2 + 6260^2 .

It is a cyclic number.

It is not a de Polignac number, because 22303110121 - 2²¹ = 22301012969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22303110095 and 22303110104.

It is not a weakly prime, because it can be changed into another prime (22303110191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11151555060 + 11151555061.

It is an arithmetic number, because the mean of its divisors is an integer number (11151555061).

Almost surely, 2^22303110121 is an apocalyptic number.

It is an amenable number.

22303110121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22303110121 is an equidigital number, since it uses as much as digits as its factorization.

22303110121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22303110121 its reverse (12101130322), we get a palindrome (34404240443).

The spelling of 22303110121 in words is "twenty-two billion, three hundred three million, one hundred ten thousand, one hundred twenty-one".