11101201 has 4 divisors (see below), whose sum is σ = 11372004. Its totient is φ = 10830400.

The previous prime is 11101199. The next prime is 11101217. The reversal of 11101201 is 10210111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6370576 + 4730625 = 2524^2 + 2175^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101201 - 2¹ = 11101199 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (11101231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135340 + ... + 135421.

It is an arithmetic number, because the mean of its divisors is an integer number (2843001).

Almost surely, 2^11101201 is an apocalyptic number.

It is an amenable number.

11101201 is a deficient number, since it is larger than the sum of its proper divisors (270803).

11101201 is an equidigital number, since it uses as much as digits as its factorization.

11101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270802.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 11101201 is about 3331.8464850590. The cubic root of 11101201 is about 223.0779554115.

Adding to 11101201 its reverse (10210111), we get a palindrome (21311312).

Multiplying 11101201 by its reverse (10210111), we get a palindrome (113344494443311).

The spelling of 11101201 in words is "eleven million, one hundred one thousand, two hundred one".