11226121 has 4 divisors (see below), whose sum is σ = 11244544. Its totient is φ = 11207700.

The previous prime is 11226109. The next prime is 11226157. The reversal of 11226121 is 12162211.

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.

It is a cyclic number.

It is not a de Polignac number, because 11226121 - 2⁹ = 11225609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11226095 and 11226104.

It is not an unprimeable number, because it can be changed into a prime (11226221) 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, 8265 + ... + 9526.

It is an arithmetic number, because the mean of its divisors is an integer number (2811136).

Almost surely, 2^11226121 is an apocalyptic number.

It is an amenable number.

11226121 is a deficient number, since it is larger than the sum of its proper divisors (18423).

11226121 is an equidigital number, since it uses as much as digits as its factorization.

11226121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18422.

The product of its digits is 48, while the sum is 16.

The square root of 11226121 is about 3350.5404041736. The cubic root of 11226121 is about 223.9115895253.

Adding to 11226121 its reverse (12162211), we get a palindrome (23388332).

The spelling of 11226121 in words is "eleven million, two hundred twenty-six thousand, one hundred twenty-one".