22011200010 has 224 divisors, whose sum is σ = 61783285248. Its totient is φ = 5637444480.

The previous prime is 22011199997. The next prime is 22011200011. The reversal of 22011200010 is 1000211022.

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 = 22011199965 and 22011200001.

It is not an unprimeable number, because it can be changed into a prime (22011200011) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 39095989 + ... + 39096551.

Almost surely, 2^22011200010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22011200010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30891642624).

22011200010 is an abundant number, since it is smaller than the sum of its proper divisors (39772085238).

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

22011200010 is a wasteful number, since it uses less digits than its factorization.

22011200010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 777 counting only the distinct ones).

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

Adding to 22011200010 its reverse (1000211022), we get a palindrome (23011411032).

The spelling of 22011200010 in words is "twenty-two billion, eleven million, two hundred thousand, ten".