11132223021 has 24 divisors (see below), whose sum is σ = 16185312000. Its totient is φ = 7372969632.

The previous prime is 11132223019. The next prime is 11132223029. The reversal of 11132223021 is 12032223111.

11132223021 is a `hidden beast` number, since 111 + 322 + 230 + 2 + 1 = 666.

11132223021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11132223021 - 2¹ = 11132223019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11132222985 and 11132223003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11132223029) 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 23 ways as a sum of consecutive naturals, for example, 938395 + ... + 950183.

It is an arithmetic number, because the mean of its divisors is an integer number (674388000).

Almost surely, 2^11132223021 is an apocalyptic number.

It is an amenable number.

11132223021 is a deficient number, since it is larger than the sum of its proper divisors (5053088979).

11132223021 is a wasteful number, since it uses less digits than its factorization.

11132223021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12473 (or 12470 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11132223021 its reverse (12032223111), we get a palindrome (23164446132).

The spelling of 11132223021 in words is "eleven billion, one hundred thirty-two million, two hundred twenty-three thousand, twenty-one".