2211153043 has 4 divisors (see below), whose sum is σ = 2412166968. Its totient is φ = 2010139120.

The previous prime is 2211153031. The next prime is 2211153073. The reversal of 2211153043 is 3403511122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2211153043 - 2²⁵ = 2177598611 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211153013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100506946 + ... + 100506967.

It is an arithmetic number, because the mean of its divisors is an integer number (603041742).

Almost surely, 2^2211153043 is an apocalyptic number.

2211153043 is a deficient number, since it is larger than the sum of its proper divisors (201013925).

2211153043 is a wasteful number, since it uses less digits than its factorization.

2211153043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201013924.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2211153043 is about 47022.8991343579. The cubic root of 2211153043 is about 1302.7855542539.

Adding to 2211153043 its reverse (3403511122), we get a palindrome (5614664165).

The spelling of 2211153043 in words is "two billion, two hundred eleven million, one hundred fifty-three thousand, forty-three".