1211223323341 has 2 divisors, whose sum is σ = 1211223323342. Its totient is φ = 1211223323340.

The previous prime is 1211223323293. The next prime is 1211223323347. The reversal of 1211223323341 is 1433233221121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 931360104900 + 279863218441 = 965070^2 + 529021^2 .

It is a cyclic number.

It is not a de Polignac number, because 1211223323341 - 2²³ = 1211214934733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211223323347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605611661670 + 605611661671.

It is an arithmetic number, because the mean of its divisors is an integer number (605611661671).

Almost surely, 2^{1211223323341} is an apocalyptic number.

It is an amenable number.

1211223323341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211223323341 is an equidigital number, since it uses as much as digits as its factorization.

1211223323341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

Adding to 1211223323341 its reverse (1433233221121), we get a palindrome (2644456544462).

The spelling of 1211223323341 in words is "one trillion, two hundred eleven billion, two hundred twenty-three million, three hundred twenty-three thousand, three hundred forty-one".