111201270271 has 24 divisors (see below), whose sum is σ = 139328188944. Its totient is φ = 87970095360.

The previous prime is 111201270259. The next prime is 111201270277. The reversal of 111201270271 is 172072102111.

It is not a de Polignac number, because 111201270271 - 2⁵ = 111201270239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201270277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8096416 + ... + 8110138.

It is an arithmetic number, because the mean of its divisors is an integer number (5805341206).

Almost surely, 2^111201270271 is an apocalyptic number.

111201270271 is a deficient number, since it is larger than the sum of its proper divisors (28126918673).

111201270271 is a wasteful number, since it uses less digits than its factorization.

111201270271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26471 (or 26464 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 25.

Adding to 111201270271 its reverse (172072102111), we get a palindrome (283273372382).

The spelling of 111201270271 in words is "one hundred eleven billion, two hundred one million, two hundred seventy thousand, two hundred seventy-one".