11141021 has 4 divisors (see below), whose sum is σ = 11378112. Its totient is φ = 10903932.

The previous prime is 11141003. The next prime is 11141023. The reversal of 11141021 is 12014111.

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 11141021 - 2⁶ = 11140957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11140993 and 11141011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11141023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118475 + ... + 118568.

It is an arithmetic number, because the mean of its divisors is an integer number (2844528).

Almost surely, 2^11141021 is an apocalyptic number.

It is an amenable number.

11141021 is a deficient number, since it is larger than the sum of its proper divisors (237091).

11141021 is an equidigital number, since it uses as much as digits as its factorization.

11141021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237090.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 11141021 is about 3337.8168014437. The cubic root of 11141021 is about 223.3443639511.

Adding to 11141021 its reverse (12014111), we get a palindrome (23155132).

The spelling of 11141021 in words is "eleven million, one hundred forty-one thousand, twenty-one".