2211771323 has 4 divisors (see below), whose sum is σ = 2328180360. Its totient is φ = 2095362288.

The previous prime is 2211771299. The next prime is 2211771337. The reversal of 2211771323 is 3231771122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3231771122 = 2 ⋅1615885561.

It is a cyclic number.

It is not a de Polignac number, because 2211771323 - 2⁶ = 2211771259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211776323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58204490 + ... + 58204527.

It is an arithmetic number, because the mean of its divisors is an integer number (582045090).

Almost surely, 2^2211771323 is an apocalyptic number.

2211771323 is a deficient number, since it is larger than the sum of its proper divisors (116409037).

2211771323 is a wasteful number, since it uses less digits than its factorization.

2211771323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116409036.

The product of its digits is 3528, while the sum is 29.

The square root of 2211771323 is about 47029.4729185859. The cubic root of 2211771323 is about 1302.9069707234.

The spelling of 2211771323 in words is "two billion, two hundred eleven million, seven hundred seventy-one thousand, three hundred twenty-three".