11201213 has 4 divisors (see below), whose sum is σ = 11248320. Its totient is φ = 11154108.

The previous prime is 11201189. The next prime is 11201219. The reversal of 11201213 is 31210211.

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: 31210211 = 31 ⋅1006781.

It is a cyclic number.

It is not a de Polignac number, because 11201213 - 2⁶ = 11201149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201194 and 11201203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201219) 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, 23195 + ... + 23672.

It is an arithmetic number, because the mean of its divisors is an integer number (2812080).

Almost surely, 2^11201213 is an apocalyptic number.

It is an amenable number.

11201213 is a deficient number, since it is larger than the sum of its proper divisors (47107).

11201213 is an equidigital number, since it uses as much as digits as its factorization.

11201213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47106.

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

The square root of 11201213 is about 3346.8213277676. The cubic root of 11201213 is about 223.7458653252.

Adding to 11201213 its reverse (31210211), we get a palindrome (42411424).

The spelling of 11201213 in words is "eleven million, two hundred one thousand, two hundred thirteen".