11410121221 has 4 divisors (see below), whose sum is σ = 11906213472. Its totient is φ = 10914028972.

The previous prime is 11410121171. The next prime is 11410121257. The reversal of 11410121221 is 12212101411.

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 11410121221 - 2¹¹ = 11410119173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11410121195 and 11410121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11410124221) 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 3 ways as a sum of consecutive naturals, for example, 248046091 + ... + 248046136.

It is an arithmetic number, because the mean of its divisors is an integer number (2976553368).

Almost surely, 2^11410121221 is an apocalyptic number.

It is an amenable number.

11410121221 is a deficient number, since it is larger than the sum of its proper divisors (496092251).

11410121221 is an equidigital number, since it uses as much as digits as its factorization.

11410121221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496092250.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11410121221 its reverse (12212101411), we get a palindrome (23622222632).

The spelling of 11410121221 in words is "eleven billion, four hundred ten million, one hundred twenty-one thousand, two hundred twenty-one".