22120011030 has 256 divisors, whose sum is σ = 61004482560. Its totient is φ = 5092319232.

The previous prime is 22120011013. The next prime is 22120011041. The reversal of 22120011030 is 3011002122.

It is a junction number, because it is equal to n+sod(n) for n = 22120010997 and 22120011015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 140891712 + ... + 140891868.

It is an arithmetic number, because the mean of its divisors is an integer number (238298760).

Almost surely, 2^22120011030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22120011030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30502241280).

22120011030 is an abundant number, since it is smaller than the sum of its proper divisors (38884471530).

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

22120011030 is a wasteful number, since it uses less digits than its factorization.

22120011030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 22120011030 its reverse (3011002122), we get a palindrome (25131013152).

The spelling of 22120011030 in words is "twenty-two billion, one hundred twenty million, eleven thousand, thirty".