11201215 has 8 divisors (see below), whose sum is σ = 14232240. Its totient is φ = 8433792.

The previous prime is 11201189. The next prime is 11201219. The reversal of 11201215 is 51210211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11201215 - 2¹³ = 11193023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11201195 and 11201204.

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 7 ways as a sum of consecutive naturals, for example, 65805 + ... + 65974.

It is an arithmetic number, because the mean of its divisors is an integer number (1779030).

Almost surely, 2^11201215 is an apocalyptic number.

11201215 is a deficient number, since it is larger than the sum of its proper divisors (3031025).

11201215 is a wasteful number, since it uses less digits than its factorization.

11201215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131801.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 11201215 is about 3346.8216265585. The cubic root of 11201215 is about 223.7458786420.

Adding to 11201215 its reverse (51210211), we get a palindrome (62411426).

It can be divided in two parts, 1 and 1201215, that added together give a square (1201216 = 1096²).

The spelling of 11201215 in words is "eleven million, two hundred one thousand, two hundred fifteen".