27122244105 has 32 divisors (see below), whose sum is σ = 47363678208. Its totient is φ = 13143780800.

The previous prime is 27122244001. The next prime is 27122244181. The reversal of 27122244105 is 50144222172.

It is not a de Polignac number, because 27122244105 - 2¹⁰ = 27122243081 is a prime.

It is a super-2 number, since 2×27122244105² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309382 + ... + 387248.

It is an arithmetic number, because the mean of its divisors is an integer number (1480114944).

Almost surely, 2^27122244105 is an apocalyptic number.

It is an amenable number.

27122244105 is a deficient number, since it is larger than the sum of its proper divisors (20241434103).

27122244105 is a wasteful number, since it uses less digits than its factorization.

27122244105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79997.

The product of its (nonzero) digits is 8960, while the sum is 30.

Adding to 27122244105 its reverse (50144222172), we get a palindrome (77266466277).

The spelling of 27122244105 in words is "twenty-seven billion, one hundred twenty-two million, two hundred forty-four thousand, one hundred five".