11215122 has 32 divisors (see below), whose sum is σ = 23587200. Its totient is φ = 3548160.

The previous prime is 11215117. The next prime is 11215129. The reversal of 11215122 is 22151211.

It is a super-2 number, since 2×11215122² = 251557922949768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11215129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24754 + ... + 25202.

It is an arithmetic number, because the mean of its divisors is an integer number (737100).

Almost surely, 2^11215122 is an apocalyptic number.

11215122 is an abundant number, since it is smaller than the sum of its proper divisors (12372078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11215122 is a wasteful number, since it uses less digits than its factorization.

11215122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658.

The product of its digits is 40, while the sum is 15.

The square root of 11215122 is about 3348.8986249213. The cubic root of 11215122 is about 223.8384384539.

Adding to 11215122 its reverse (22151211), we get a palindrome (33366333).

The spelling of 11215122 in words is "eleven million, two hundred fifteen thousand, one hundred twenty-two".