22000020010122 has 128 divisors (see below), whose sum is σ = 55381642444800. Its totient is φ = 5659683456960.

The previous prime is 22000020010037. The next prime is 22000020010219. The reversal of 22000020010122 is 22101002000022.

It is a junction number, because it is equal to n+sod(n) for n = 22000020010098 and 22000020010107.

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, 245493879 + ... + 245583477.

It is an arithmetic number, because the mean of its divisors is an integer number (432669081600).

Almost surely, 2^{22000020010122} is an apocalyptic number.

22000020010122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22000020010122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27690821222400).

22000020010122 is an abundant number, since it is smaller than the sum of its proper divisors (33381622434678).

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

22000020010122 is a wasteful number, since it uses less digits than its factorization.

22000020010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94696.

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

Adding to 22000020010122 its reverse (22101002000022), we get a palindrome (44101022010144).

The spelling of 22000020010122 in words is "twenty-two trillion, twenty million, ten thousand, one hundred twenty-two".