11213122 has 4 divisors (see below), whose sum is σ = 16819686. Its totient is φ = 5606560.

The previous prime is 11213117. The next prime is 11213123. The reversal of 11213122 is 22131211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7177041 + 4036081 = 2679^2 + 2009^2 .

It is not an unprimeable number, because it can be changed into a prime (11213123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2803279 + ... + 2803282.

Almost surely, 2^11213122 is an apocalyptic number.

11213122 is a deficient number, since it is larger than the sum of its proper divisors (5606564).

11213122 is an equidigital number, since it uses as much as digits as its factorization.

11213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606563.

The product of its digits is 24, while the sum is 13.

The square root of 11213122 is about 3348.6000059726. The cubic root of 11213122 is about 223.8251319114.

Adding to 11213122 its reverse (22131211), we get a palindrome (33344333).

The spelling of 11213122 in words is "eleven million, two hundred thirteen thousand, one hundred twenty-two".