11041214021 has 4 divisors (see below), whose sum is σ = 11046756012. Its totient is φ = 11035672032.

The previous prime is 11041214003. The next prime is 11041214057. The reversal of 11041214021 is 12041214011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12041214011 = 61 ⋅197396951.

It can be written as a sum of positive squares in 2 ways, for example, as 4275328996 + 6765885025 = 65386^2 + 82255^2 .

It is a cyclic number.

It is not a de Polignac number, because 11041214021 - 2²² = 11037019717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11041214071) 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, 2768006 + ... + 2771991.

It is an arithmetic number, because the mean of its divisors is an integer number (2761689003).

Almost surely, 2^11041214021 is an apocalyptic number.

It is an amenable number.

11041214021 is a deficient number, since it is larger than the sum of its proper divisors (5541991).

11041214021 is an equidigital number, since it uses as much as digits as its factorization.

11041214021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5541990.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11041214021 its reverse (12041214011), we get a palindrome (23082428032).

The spelling of 11041214021 in words is "eleven billion, forty-one million, two hundred fourteen thousand, twenty-one".