10001022000 has 160 divisors (see below), whose sum is σ = 32340072960. Its totient is φ = 2658937600.

The previous prime is 10001021993. The next prime is 10001022013. The reversal of 10001022000 is 22010001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a self number, because there is not a number n which added to its sum of digits gives 10001022000.

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, 2151679 + ... + 2156321.

It is an arithmetic number, because the mean of its divisors is an integer number (202125456).

Almost surely, 2^10001022000 is an apocalyptic number.

10001022000 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 10001022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16170036480).

10001022000 is an abundant number, since it is smaller than the sum of its proper divisors (22339050960).

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

10001022000 is a wasteful number, since it uses less digits than its factorization.

10001022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028 (or 5012 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 10001022000 its reverse (22010001), we get a palindrome (10023032001).

The spelling of 10001022000 in words is "ten billion, one million, twenty-two thousand".