1211343334067 has 2 divisors, whose sum is σ = 1211343334068. Its totient is φ = 1211343334066.

The previous prime is 1211343334043. The next prime is 1211343334087. The reversal of 1211343334067 is 7604333431121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1211343334067 - 2²² = 1211339139763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1211343334067.

It is not a weakly prime, because it can be changed into another prime (1211343334037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605671667033 + 605671667034.

It is an arithmetic number, because the mean of its divisors is an integer number (605671667034).

Almost surely, 2^{1211343334067} is an apocalyptic number.

1211343334067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211343334067 is an equidigital number, since it uses as much as digits as its factorization.

1211343334067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 38.

Adding to 1211343334067 its reverse (7604333431121), we get a palindrome (8815676765188).

The spelling of 1211343334067 in words is "one trillion, two hundred eleven billion, three hundred forty-three million, three hundred thirty-four thousand, sixty-seven".