22230331121 has 2 divisors, whose sum is σ = 22230331122. Its totient is φ = 22230331120.

The previous prime is 22230331117. The next prime is 22230331133. The reversal of 22230331121 is 12113303222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18309066721 + 3921264400 = 135311^2 + 62620^2 .

It is a cyclic number.

It is not a de Polignac number, because 22230331121 - 2² = 22230331117 is a prime.

It is a super-2 number, since 2×22230331121² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22230331093 and 22230331102.

It is not a weakly prime, because it can be changed into another prime (22230331621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115165560 + 11115165561.

It is an arithmetic number, because the mean of its divisors is an integer number (11115165561).

Almost surely, 2^22230331121 is an apocalyptic number.

It is an amenable number.

22230331121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22230331121 is an equidigital number, since it uses as much as digits as its factorization.

22230331121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22230331121 its reverse (12113303222), we get a palindrome (34343634343).

The spelling of 22230331121 in words is "twenty-two billion, two hundred thirty million, three hundred thirty-one thousand, one hundred twenty-one".