11020230021 has 24 divisors (see below), whose sum is σ = 15201543072. Its totient is φ = 7101108000.

The previous prime is 11020229947. The next prime is 11020230029. The reversal of 11020230021 is 12003202011.

11020230021 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 11020230021 - 2⁷ = 11020229893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11020229979 and 11020230006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020230029) 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, 3028215 + ... + 3031851.

It is an arithmetic number, because the mean of its divisors is an integer number (633397628).

Almost surely, 2^11020230021 is an apocalyptic number.

It is an amenable number.

11020230021 is a deficient number, since it is larger than the sum of its proper divisors (4181313051).

11020230021 is a wasteful number, since it uses less digits than its factorization.

11020230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753 (or 4722 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 11020230021 its reverse (12003202011), we get a palindrome (23023432032).

The spelling of 11020230021 in words is "eleven billion, twenty million, two hundred thirty thousand, twenty-one".