201127113 has 12 divisors (see below), whose sum is σ = 316927728. Its totient is φ = 121895160.

The previous prime is 201127063. The next prime is 201127169. The reversal of 201127113 is 311721102.

It is a happy number.

It is not a de Polignac number, because 201127113 - 2⁶ = 201127049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201127013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1015695 + ... + 1015892.

It is an arithmetic number, because the mean of its divisors is an integer number (26410644).

Almost surely, 2^201127113 is an apocalyptic number.

It is an amenable number.

201127113 is a deficient number, since it is larger than the sum of its proper divisors (115800615).

201127113 is a wasteful number, since it uses less digits than its factorization.

201127113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031604 (or 2031601 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 201127113 is about 14181.9291000907. The cubic root of 201127113 is about 585.9000565342.

Adding to 201127113 its reverse (311721102), we get a palindrome (512848215).

It can be divided in two parts, 20112 and 7113, that added together give a square (27225 = 165²).

The spelling of 201127113 in words is "two hundred one million, one hundred twenty-seven thousand, one hundred thirteen".