1100112201 has 12 divisors (see below), whose sum is σ = 1589466112. Its totient is φ = 733216536.

The previous prime is 1100112197. The next prime is 1100112229. The reversal of 1100112201 is 1022110011.

It is a happy number.

It is not a de Polignac number, because 1100112201 - 2² = 1100112197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100112271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26280 + ... + 53766.

Almost surely, 2^1100112201 is an apocalyptic number.

It is an amenable number.

1100112201 is a deficient number, since it is larger than the sum of its proper divisors (489353911).

1100112201 is a wasteful number, since it uses less digits than its factorization.

1100112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31940 (or 31937 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1100112201 is about 33167.9393541414. The cubic root of 1100112201 is about 1032.3152120998.

Adding to 1100112201 its reverse (1022110011), we get a palindrome (2122222212).

The spelling of 1100112201 in words is "one billion, one hundred million, one hundred twelve thousand, two hundred one".