11021000022 has 32 divisors (see below), whose sum is σ = 25555944960. Its totient is φ = 3513941640.

The previous prime is 11021000021. The next prime is 11021000033. The reversal of 11021000022 is 22000012011.

11021000022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11020999968 and 11021000013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021000021) 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 15 ways as a sum of consecutive naturals, for example, 4435554 + ... + 4438037.

It is an arithmetic number, because the mean of its divisors is an integer number (798623280).

Almost surely, 2^11021000022 is an apocalyptic number.

11021000022 is an abundant number, since it is smaller than the sum of its proper divisors (14534944938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11021000022 is a wasteful number, since it uses less digits than its factorization.

11021000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8873625 (or 8873619 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 11021000022 its reverse (22000012011), we get a palindrome (33021012033).

The spelling of 11021000022 in words is "eleven billion, twenty-one million, twenty-two", and thus it is an aban number and an uban number.