2211111133 has 12 divisors (see below), whose sum is σ = 2805937632. Its totient is φ = 1722943320.

The previous prime is 2211111101. The next prime is 2211111143. The reversal of 2211111133 is 3311111122.

It is a happy number.

2211111133 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 2211111133 - 2⁵ = 2211111101 is a prime.

It is a Duffinian number.

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 (2211111143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2050585 + ... + 2051662.

It is an arithmetic number, because the mean of its divisors is an integer number (233828136).

Almost surely, 2^2211111133 is an apocalyptic number.

It is an amenable number.

2211111133 is a deficient number, since it is larger than the sum of its proper divisors (594826499).

2211111133 is a wasteful number, since it uses less digits than its factorization.

2211111133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102272 (or 4102265 counting only the distinct ones).

The product of its digits is 36, while the sum is 16.

The square root of 2211111133 is about 47022.4534983023. The cubic root of 2211111133 is about 1302.7773232410. Note that the first 3 decimals are identical.

Adding to 2211111133 its reverse (3311111122), we get a palindrome (5522222255).

The spelling of 2211111133 in words is "two billion, two hundred eleven million, one hundred eleven thousand, one hundred thirty-three".