11322121 has 2 divisors, whose sum is σ = 11322122. Its totient is φ = 11322120.

The previous prime is 11322097. The next prime is 11322127. The reversal of 11322121 is 12122311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11316496 + 5625 = 3364^2 + 75^2 .

It is a cyclic number.

It is not a de Polignac number, because 11322121 - 2⁵ = 11322089 is a prime.

It is not a weakly prime, because it can be changed into another prime (11322127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661060 + 5661061.

It is an arithmetic number, because the mean of its divisors is an integer number (5661061).

Almost surely, 2^11322121 is an apocalyptic number.

It is an amenable number.

11322121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11322121 is an equidigital number, since it uses as much as digits as its factorization.

11322121 is an evil number, because the sum of its binary digits is even.

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

The square root of 11322121 is about 3364.8359543966. The cubic root of 11322121 is about 224.5480375971.

Adding to 11322121 its reverse (12122311), we get a palindrome (23444432).

The spelling of 11322121 in words is "eleven million, three hundred twenty-two thousand, one hundred twenty-one".