11023021000 has 128 divisors (see below), whose sum is σ = 28749427200. Its totient is φ = 3931315200.

The previous prime is 11023020991. The next prime is 11023021021. The reversal of 11023021000 is 12032011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305937 + ... + 340063.

It is an arithmetic number, because the mean of its divisors is an integer number (224604900).

Almost surely, 2^11023021000 is an apocalyptic number.

11023021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11023021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14374713600).

11023021000 is an abundant number, since it is smaller than the sum of its proper divisors (17726406200).

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

11023021000 is a wasteful number, since it uses less digits than its factorization.

11023021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34184 (or 34170 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 11023021000 its reverse (12032011), we get a palindrome (11035053011).

The spelling of 11023021000 in words is "eleven billion, twenty-three million, twenty-one thousand".