11351121 has 16 divisors (see below), whose sum is σ = 16723584. Its totient is φ = 6811904.

The previous prime is 11351117. The next prime is 11351141. The reversal of 11351121 is 12115311.

It is a cyclic number.

It is not a de Polignac number, because 11351121 - 2² = 11351117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11351121.

It is not an unprimeable number, because it can be changed into a prime (11351101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3666 + ... + 6011.

It is an arithmetic number, because the mean of its divisors is an integer number (1045224).

Almost surely, 2^11351121 is an apocalyptic number.

It is an amenable number.

11351121 is a deficient number, since it is larger than the sum of its proper divisors (5372463).

11351121 is a wasteful number, since it uses less digits than its factorization.

11351121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9720.

The product of its digits is 30, while the sum is 15.

The square root of 11351121 is about 3369.1424724995. The cubic root of 11351121 is about 224.7395900817.

Adding to 11351121 its reverse (12115311), we get a palindrome (23466432).

The spelling of 11351121 in words is "eleven million, three hundred fifty-one thousand, one hundred twenty-one".