22111000021110 has 384 divisors, whose sum is σ = 75023103052800. Its totient is φ = 4094825978880.

The previous prime is 22111000021109. The next prime is 22111000021129. The reversal of 22111000021110 is 1112000011122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4282551 + ... + 7909629.

It is an arithmetic number, because the mean of its divisors is an integer number (195372664200).

Almost surely, 2^{22111000021110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22111000021110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37511551526400).

22111000021110 is an abundant number, since it is smaller than the sum of its proper divisors (52912103031690).

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

22111000021110 is a wasteful number, since it uses less digits than its factorization.

22111000021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627156 (or 3627149 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22111000021110 its reverse (1112000011122), we get a palindrome (23223000032232).

The spelling of 22111000021110 in words is "twenty-two trillion, one hundred eleven billion, twenty-one thousand, one hundred ten".