11212201 has 32 divisors (see below), whose sum is σ = 15740928. Its totient is φ = 7698240.

The previous prime is 11212171. The next prime is 11212219. The reversal of 11212201 is 10221211.

11212201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11212201 - 2⁵ = 11212169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11212291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22780 + ... + 23266.

It is an arithmetic number, because the mean of its divisors is an integer number (491904).

Almost surely, 2^11212201 is an apocalyptic number.

11212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11212201 is a deficient number, since it is larger than the sum of its proper divisors (4528727).

11212201 is a wasteful number, since it uses less digits than its factorization.

11212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 11212201 is about 3348.4624829913. The cubic root of 11212201 is about 223.8190037165.

Adding to 11212201 its reverse (10221211), we get a palindrome (21433412).

It can be divided in two parts, 11 and 212201, that added together give a palindrome (212212).

The spelling of 11212201 in words is "eleven million, two hundred twelve thousand, two hundred one".