22002331121 has 2 divisors, whose sum is σ = 22002331122. Its totient is φ = 22002331120.

The previous prime is 22002331103. The next prime is 22002331123. The reversal of 22002331121 is 12113320022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15236446096 + 6765885025 = 123436^2 + 82255^2 .

It is a cyclic number.

It is not a de Polignac number, because 22002331121 - 2²² = 21998136817 is a prime.

Together with 22002331123, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22002331121.

It is not a weakly prime, because it can be changed into another prime (22002331123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001165560 + 11001165561.

It is an arithmetic number, because the mean of its divisors is an integer number (11001165561).

Almost surely, 2^22002331121 is an apocalyptic number.

It is an amenable number.

22002331121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002331121 is an equidigital number, since it uses as much as digits as its factorization.

22002331121 is an odious number, because the sum of its binary digits is odd.

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

Adding to 22002331121 its reverse (12113320022), we get a palindrome (34115651143).

The spelling of 22002331121 in words is "twenty-two billion, two million, three hundred thirty-one thousand, one hundred twenty-one".