1121303213211 has 16 divisors (see below), whose sum is σ = 1496491055360. Its totient is φ = 746825637600.

The previous prime is 1121303213207. The next prime is 1121303213227. The reversal of 1121303213211 is 1123123031211.

It is not a de Polignac number, because 1121303213211 - 2² = 1121303213207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121303213201) 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 in 15 ways as a sum of consecutive naturals, for example, 24326136 + ... + 24372186.

It is an arithmetic number, because the mean of its divisors is an integer number (93530690960).

Almost surely, 2^{1121303213211} is an apocalyptic number.

1121303213211 is a deficient number, since it is larger than the sum of its proper divisors (375187842149).

1121303213211 is a wasteful number, since it uses less digits than its factorization.

1121303213211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53586.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1121303213211 its reverse (1123123031211), we get a palindrome (2244426244422).

The spelling of 1121303213211 in words is "one trillion, one hundred twenty-one billion, three hundred three million, two hundred thirteen thousand, two hundred eleven".