2101211133 has 16 divisors (see below), whose sum is σ = 3246944256. Its totient is φ = 1183780080.

The previous prime is 2101211113. The next prime is 2101211141. The reversal of 2101211133 is 3311121012.

It is a happy number.

It is not a de Polignac number, because 2101211133 - 2⁹ = 2101210621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101211113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703141 + ... + 706122.

It is an arithmetic number, because the mean of its divisors is an integer number (202934016).

Almost surely, 2^2101211133 is an apocalyptic number.

It is an amenable number.

2101211133 is a deficient number, since it is larger than the sum of its proper divisors (1145733123).

2101211133 is a wasteful number, since it uses less digits than its factorization.

2101211133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409344.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2101211133 is about 45838.9695892043. The cubic root of 2101211133 is about 1280.8253004829.

Adding to 2101211133 its reverse (3311121012), we get a palindrome (5412332145).

The spelling of 2101211133 in words is "two billion, one hundred one million, two hundred eleven thousand, one hundred thirty-three".