11002441021 has 16 divisors (see below), whose sum is σ = 13686297408. Its totient is φ = 8689708800.

The previous prime is 11002441001. The next prime is 11002441057. The reversal of 11002441021 is 12014420011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11002441021 - 2⁷ = 11002440893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002440986 and 11002441004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002441001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2260515 + ... + 2265376.

It is an arithmetic number, because the mean of its divisors is an integer number (855393588).

Almost surely, 2^11002441021 is an apocalyptic number.

11002441021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11002441021 is a deficient number, since it is larger than the sum of its proper divisors (2683856387).

11002441021 is a wasteful number, since it uses less digits than its factorization.

11002441021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525932.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11002441021 its reverse (12014420011), we get a palindrome (23016861032).

The spelling of 11002441021 in words is "eleven billion, two million, four hundred forty-one thousand, twenty-one".