11021113311 has 32 divisors (see below), whose sum is σ = 16769608128. Its totient is φ = 6378117120.

The previous prime is 11021113309. The next prime is 11021113319. The reversal of 11021113311 is 11331112011.

It is not a de Polignac number, because 11021113311 - 2¹ = 11021113309 is a prime.

It is a super-2 number, since 2×11021113311² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021113319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 909585 + ... + 921621.

It is an arithmetic number, because the mean of its divisors is an integer number (524050254).

Almost surely, 2^11021113311 is an apocalyptic number.

11021113311 is a deficient number, since it is larger than the sum of its proper divisors (5748494817).

11021113311 is a wasteful number, since it uses less digits than its factorization.

11021113311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13451.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11021113311 its reverse (11331112011), we get a palindrome (22352225322).

The spelling of 11021113311 in words is "eleven billion, twenty-one million, one hundred thirteen thousand, three hundred eleven".