27801071122 has 16 divisors (see below), whose sum is σ = 46133406144. Its totient is φ = 12458866000.

The previous prime is 27801071117. The next prime is 27801071153. The reversal of 27801071122 is 22117010872.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8897629 + ... + 8900752.

It is an arithmetic number, because the mean of its divisors is an integer number (2883337884).

Almost surely, 2^27801071122 is an apocalyptic number.

27801071122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

27801071122 is a deficient number, since it is larger than the sum of its proper divisors (18332335022).

27801071122 is a wasteful number, since it uses less digits than its factorization.

27801071122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17798465.

The product of its (nonzero) digits is 3136, while the sum is 31.

Adding to 27801071122 its reverse (22117010872), we get a palindrome (49918081994).

The spelling of 27801071122 in words is "twenty-seven billion, eight hundred one million, seventy-one thousand, one hundred twenty-two".