11213201 has 2 divisors, whose sum is σ = 11213202. Its totient is φ = 11213200.

The previous prime is 11213197. The next prime is 11213219. The reversal of 11213201 is 10231211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10394176 + 819025 = 3224^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 11213201 - 2² = 11213197 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11213221) 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 as a sum of consecutive naturals, namely, 5606600 + 5606601.

It is an arithmetic number, because the mean of its divisors is an integer number (5606601).

Almost surely, 2^11213201 is an apocalyptic number.

It is an amenable number.

11213201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11213201 is an equidigital number, since it uses as much as digits as its factorization.

11213201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 11213201 is about 3348.6118019263. The cubic root of 11213201 is about 223.8256575499.

Adding to 11213201 its reverse (10231211), we get a palindrome (21444412).

The spelling of 11213201 in words is "eleven million, two hundred thirteen thousand, two hundred one".