27221722011 has 12 divisors (see below), whose sum is σ = 42894834840. Its totient is φ = 16498013280.

The previous prime is 27221722007. The next prime is 27221722043. The reversal of 27221722011 is 11022712272.

It is not a de Polignac number, because 27221722011 - 2² = 27221722007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27221722711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137483346 + ... + 137483543.

It is an arithmetic number, because the mean of its divisors is an integer number (3574569570).

Almost surely, 2^27221722011 is an apocalyptic number.

27221722011 is a deficient number, since it is larger than the sum of its proper divisors (15673112829).

27221722011 is a wasteful number, since it uses less digits than its factorization.

27221722011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274966906 (or 274966903 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The spelling of 27221722011 in words is "twenty-seven billion, two hundred twenty-one million, seven hundred twenty-two thousand, eleven".