11020211132311 has 4 divisors (see below), whose sum is σ = 11094172281000. Its totient is φ = 10946249983624.

The previous prime is 11020211132299. The next prime is 11020211132317. The reversal of 11020211132311 is 11323111202011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11020211132311 - 2²¹ = 11020209035159 is a prime.

It is a super-2 number, since 2×11020211132311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020211132317) 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 3 ways as a sum of consecutive naturals, for example, 36980574121 + ... + 36980574418.

It is an arithmetic number, because the mean of its divisors is an integer number (2773543070250).

Almost surely, 2^{11020211132311} is an apocalyptic number.

11020211132311 is a deficient number, since it is larger than the sum of its proper divisors (73961148689).

11020211132311 is an equidigital number, since it uses as much as digits as its factorization.

11020211132311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73961148688.

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

Adding to 11020211132311 its reverse (11323111202011), we get a palindrome (22343322334322).

The spelling of 11020211132311 in words is "eleven trillion, twenty billion, two hundred eleven million, one hundred thirty-two thousand, three hundred eleven".