1001133331211 has 16 divisors (see below), whose sum is σ = 1095426678528. Its totient is φ = 909423396000.

The previous prime is 1001133331127. The next prime is 1001133331271. The reversal of 1001133331211 is 1121333311001.

It is a cyclic number.

It is not a de Polignac number, because 1001133331211 - 2¹⁰ = 1001133330187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001133331271) 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, 2173145 + ... + 2593226.

It is an arithmetic number, because the mean of its divisors is an integer number (68464167408).

Almost surely, 2^{1001133331211} is an apocalyptic number.

1001133331211 is a deficient number, since it is larger than the sum of its proper divisors (94293347317).

1001133331211 is a wasteful number, since it uses less digits than its factorization.

1001133331211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766642.

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

Adding to 1001133331211 its reverse (1121333311001), we get a palindrome (2122466642212).

The spelling of 1001133331211 in words is "one trillion, one billion, one hundred thirty-three million, three hundred thirty-one thousand, two hundred eleven".