22020001122 has 128 divisors (see below), whose sum is σ = 52618752000. Its totient is φ = 6138720000.

The previous prime is 22020001103. The next prime is 22020001147. The reversal of 22020001122 is 22110002022.

It is a junction number, because it is equal to n+sod(n) for n = 22020001098 and 22020001107.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18334122 + ... + 18335322.

It is an arithmetic number, because the mean of its divisors is an integer number (411084000).

Almost surely, 2^22020001122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22020001122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26309376000).

22020001122 is an abundant number, since it is smaller than the sum of its proper divisors (30598750878).

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

22020001122 is a wasteful number, since it uses less digits than its factorization.

22020001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22020001122 its reverse (22110002022), we get a palindrome (44130003144).

The spelling of 22020001122 in words is "twenty-two billion, twenty million, one thousand, one hundred twenty-two".