11272201 has 4 divisors (see below), whose sum is σ = 11287312. Its totient is φ = 11257092.

The previous prime is 11272193. The next prime is 11272211. The reversal of 11272201 is 10227211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10227211 = 149 ⋅68639.

It is a cyclic number.

It is not a de Polignac number, because 11272201 - 2³ = 11272193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11272211) 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, 6375 + ... + 7948.

It is an arithmetic number, because the mean of its divisors is an integer number (2821828).

Almost surely, 2^11272201 is an apocalyptic number.

It is an amenable number.

11272201 is a deficient number, since it is larger than the sum of its proper divisors (15111).

11272201 is an equidigital number, since it uses as much as digits as its factorization.

11272201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15110.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 11272201 is about 3357.4098647618. The cubic root of 11272201 is about 224.2175355383.

Adding to 11272201 its reverse (10227211), we get a palindrome (21499412).

The spelling of 11272201 in words is "eleven million, two hundred seventy-two thousand, two hundred one".