1211110011323 has 2 divisors, whose sum is σ = 1211110011324. Its totient is φ = 1211110011322.

The previous prime is 1211110011301. The next prime is 1211110011359. The reversal of 1211110011323 is 3231100111121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1211110011323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1211110011383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605555005661 + 605555005662.

It is an arithmetic number, because the mean of its divisors is an integer number (605555005662).

Almost surely, 2^{1211110011323} is an apocalyptic number.

1211110011323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211110011323 is an equidigital number, since it uses as much as digits as its factorization.

1211110011323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1211110011323 its reverse (3231100111121), we get a palindrome (4442210122444).

The spelling of 1211110011323 in words is "one trillion, two hundred eleven billion, one hundred ten million, eleven thousand, three hundred twenty-three".