11122222222111 has 32 divisors (see below), whose sum is σ = 14934052224000. Its totient is φ = 7999614881280.

The previous prime is 11122222222109. The next prime is 11122222222151.

11122222222111 is nontrivially palindromic in base 10.

11122222222111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11122222222111 - 2¹ = 11122222222109 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122222222151) 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, 21414030 + ... + 21927268.

It is an arithmetic number, because the mean of its divisors is an integer number (466689132000).

Almost surely, 2^{11122222222111} is an apocalyptic number.

11122222222111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11122222222111 is a deficient number, since it is larger than the sum of its proper divisors (3811830001889).

11122222222111 is a wasteful number, since it uses less digits than its factorization.

11122222222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534919.

The product of its digits is 256, while the sum is 22.

Multiplying 11122222222111 by its sum of digits (22), we get a palindrome (244688888886442).

It can be divided in two parts, 1112222 and 2222111, that added together give a palindrome (3334333).

The spelling of 11122222222111 in words is "eleven trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred eleven".