1211033310113 has 48 divisors (see below), whose sum is σ = 1369210953600. Its totient is φ = 1069910688000.

The previous prime is 1211033310089. The next prime is 1211033310121. The reversal of 1211033310113 is 3110133301121.

It is not a de Polignac number, because 1211033310113 - 2⁶ = 1211033310049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211033310143) 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 in 47 ways as a sum of consecutive naturals, for example, 929418620 + ... + 929419922.

It is an arithmetic number, because the mean of its divisors is an integer number (28525228200).

Almost surely, 2^{1211033310113} is an apocalyptic number.

It is an amenable number.

1211033310113 is a deficient number, since it is larger than the sum of its proper divisors (158177643487).

1211033310113 is a wasteful number, since it uses less digits than its factorization.

1211033310113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774 (or 2763 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1211033310113 its reverse (3110133301121), we get a palindrome (4321166611234).

The spelling of 1211033310113 in words is "one trillion, two hundred eleven billion, thirty-three million, three hundred ten thousand, one hundred thirteen".