1121103221311 has 2 divisors, whose sum is σ = 1121103221312. Its totient is φ = 1121103221310.

The previous prime is 1121103221297. The next prime is 1121103221323. The reversal of 1121103221311 is 1131223011211.

It is a strong prime.

It is an emirp because it is prime and its reverse (1131223011211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121103221311 - 2⁵ = 1121103221279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121103221911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560551610655 + 560551610656.

It is an arithmetic number, because the mean of its divisors is an integer number (560551610656).

Almost surely, 2^{1121103221311} is an apocalyptic number.

1121103221311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121103221311 is an equidigital number, since it uses as much as digits as its factorization.

1121103221311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1121103221311 its reverse (1131223011211), we get a palindrome (2252326232522).

The spelling of 1121103221311 in words is "one trillion, one hundred twenty-one billion, one hundred three million, two hundred twenty-one thousand, three hundred eleven".