112201761 has 16 divisors (see below), whose sum is σ = 171122688. Its totient is φ = 64059600.

The previous prime is 112201759. The next prime is 112201801. The reversal of 112201761 is 167102211.

It is a happy number.

It is not a de Polignac number, because 112201761 - 2¹ = 112201759 is a prime.

It is a super-2 number, since 2×112201761² = 25178470343002242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (112201561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43066 + ... + 45596.

It is an arithmetic number, because the mean of its divisors is an integer number (10695168).

Almost surely, 2^112201761 is an apocalyptic number.

It is an amenable number.

112201761 is a deficient number, since it is larger than the sum of its proper divisors (58920927).

112201761 is a wasteful number, since it uses less digits than its factorization.

112201761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4652.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 112201761 is about 10592.5332664099. The cubic root of 112201761 is about 482.3177272449.

Adding to 112201761 its reverse (167102211), we get a palindrome (279303972).

The spelling of 112201761 in words is "one hundred twelve million, two hundred one thousand, seven hundred sixty-one".