22110210000 has 300 divisors, whose sum is σ = 78982867392. Its totient is φ = 5769504000.

The previous prime is 22110209987. The next prime is 22110210007. The reversal of 22110210000 is 1201122.

It is a tau number, because it is divible by the number of its divisors (300).

It is a super-2 number, since 2×22110210000² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110210007) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4227387 + ... + 4232613.

Almost surely, 2^22110210000 is an apocalyptic number.

22110210000 is a gapful number since it is divisible by the number (20) 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 22110210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39491433696).

22110210000 is an abundant number, since it is smaller than the sum of its proper divisors (56872657392).

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

22110210000 is a wasteful number, since it uses less digits than its factorization.

22110210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5308 (or 5284 counting only the distinct ones).

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

Adding to 22110210000 its reverse (1201122), we get a palindrome (22111411122).

The spelling of 22110210000 in words is "twenty-two billion, one hundred ten million, two hundred ten thousand".