22122011130 has 64 divisors (see below), whose sum is σ = 55409909760. Its totient is φ = 5645351936.

The previous prime is 22122011129. The next prime is 22122011189. The reversal of 22122011130 is 3111022122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14202 + ... + 210821.

It is an arithmetic number, because the mean of its divisors is an integer number (865779840).

Almost surely, 2^22122011130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22122011130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27704954880).

22122011130 is an abundant number, since it is smaller than the sum of its proper divisors (33287898630).

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

22122011130 is a wasteful number, since it uses less digits than its factorization.

22122011130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225175.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22122011130 its reverse (3111022122), we get a palindrome (25233033252).

The spelling of 22122011130 in words is "twenty-two billion, one hundred twenty-two million, eleven thousand, one hundred thirty".