22001002110 has 80 divisors (see below), whose sum is σ = 59235135696. Its totient is φ = 5859309312.

The previous prime is 22001002097. The next prime is 22001002117. The reversal of 22001002110 is 1120010022.

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 = 22001002092 and 22001002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001002117) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 620214 + ... + 654726.

Almost surely, 2^22001002110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22001002110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29617567848).

22001002110 is an abundant number, since it is smaller than the sum of its proper divisors (37234133586).

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

22001002110 is a wasteful number, since it uses less digits than its factorization.

22001002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35319 (or 35310 counting only the distinct ones).

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

Adding to 22001002110 its reverse (1120010022), we get a palindrome (23121012132).

The spelling of 22001002110 in words is "twenty-two billion, one million, two thousand, one hundred ten".