2213105771 has 4 divisors (see below), whose sum is σ = 2221333200. Its totient is φ = 2204878344.

The previous prime is 2213105761. The next prime is 2213105777. The reversal of 2213105771 is 1775013122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1775013122 = 2 ⋅887506561.

It is a cyclic number.

It is not a de Polignac number, because 2213105771 - 2³⁰ = 1139363947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213105777) 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, 4113311 + ... + 4113848.

It is an arithmetic number, because the mean of its divisors is an integer number (555333300).

Almost surely, 2^2213105771 is an apocalyptic number.

2213105771 is a deficient number, since it is larger than the sum of its proper divisors (8227429).

2213105771 is an equidigital number, since it uses as much as digits as its factorization.

2213105771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227428.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 2213105771 is about 47043.6581379467. The cubic root of 2213105771 is about 1303.1689495926.

Adding to 2213105771 its reverse (1775013122), we get a palindrome (3988118893).

The spelling of 2213105771 in words is "two billion, two hundred thirteen million, one hundred five thousand, seven hundred seventy-one".