1223322120331 has 2 divisors, whose sum is σ = 1223322120332. Its totient is φ = 1223322120330.

The previous prime is 1223322120211. The next prime is 1223322120337. The reversal of 1223322120331 is 1330212233221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223322120331 - 2¹³ = 1223322112139 is a prime.

It is a super-2 number, since 2×1223322120331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1223322120296 and 1223322120305.

It is not a weakly prime, because it can be changed into another prime (1223322120337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611661060165 + 611661060166.

It is an arithmetic number, because the mean of its divisors is an integer number (611661060166).

Almost surely, 2^{1223322120331} is an apocalyptic number.

1223322120331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223322120331 is an equidigital number, since it uses as much as digits as its factorization.

1223322120331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1223322120331 its reverse (1330212233221), we get a palindrome (2553534353552).

The spelling of 1223322120331 in words is "one trillion, two hundred twenty-three billion, three hundred twenty-two million, one hundred twenty thousand, three hundred thirty-one".