1121222203331 has 2 divisors, whose sum is σ = 1121222203332. Its totient is φ = 1121222203330.

The previous prime is 1121222203307. The next prime is 1121222203333. The reversal of 1121222203331 is 1333022221211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121222203331 - 2¹⁸ = 1121221941187 is a prime.

It is a super-2 number, since 2×1121222203331² (a number of 25 digits) contains 22 as substring.

Together with 1121222203333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121222203297 and 1121222203306.

It is not a weakly prime, because it can be changed into another prime (1121222203333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560611101665 + 560611101666.

It is an arithmetic number, because the mean of its divisors is an integer number (560611101666).

Almost surely, 2^{1121222203331} is an apocalyptic number.

1121222203331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121222203331 is an equidigital number, since it uses as much as digits as its factorization.

1121222203331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1121222203331 its reverse (1333022221211), we get a palindrome (2454244424542).

The spelling of 1121222203331 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred three thousand, three hundred thirty-one".