11122200222111 has 24 divisors (see below), whose sum is σ = 17999564001744. Its totient is φ = 6558545583360.

The previous prime is 11122200222103. The next prime is 11122200222149.

11122200222111 is a `hidden beast` number, since 1 + 112 + 220 + 0 + 222 + 111 = 666.

11122200222111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11122200222111 - 2³ = 11122200222103 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 (11122200222101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1518178186 + ... + 1518185511.

It is an arithmetic number, because the mean of its divisors is an integer number (749981833406).

Almost surely, 2^{11122200222111} is an apocalyptic number.

11122200222111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11122200222111 is a deficient number, since it is larger than the sum of its proper divisors (6877363779633).

11122200222111 is a wasteful number, since it uses less digits than its factorization.

11122200222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036363751 (or 3036363748 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

It can be divided in two parts, 11122200 and 222111, that added together give a palindrome (11344311).

The spelling of 11122200222111 in words is "eleven trillion, one hundred twenty-two billion, two hundred million, two hundred twenty-two thousand, one hundred eleven".