11031021213311 has 16 divisors (see below), whose sum is σ = 12747134550528. Its totient is φ = 9434291952000.

The previous prime is 11031021213307. The next prime is 11031021213323. The reversal of 11031021213311 is 11331212013011.

11031021213311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11031021213311 - 2² = 11031021213307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031021213811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12105965 + ... + 12985238.

It is an arithmetic number, because the mean of its divisors is an integer number (796695909408).

Almost surely, 2^{11031021213311} is an apocalyptic number.

11031021213311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11031021213311 is a deficient number, since it is larger than the sum of its proper divisors (1716113337217).

11031021213311 is a wasteful number, since it uses less digits than its factorization.

11031021213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25093582.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 11031021213311 its reverse (11331212013011), we get a palindrome (22362233226322).

The spelling of 11031021213311 in words is "eleven trillion, thirty-one billion, twenty-one million, two hundred thirteen thousand, three hundred eleven".