20221010110120 has 64 divisors (see below), whose sum is σ = 46741286526480. Its totient is φ = 7867380381696.

The previous prime is 20221010110111. The next prime is 20221010110121. The reversal of 20221010110120 is 2101101012202.

It can be written as a sum of positive squares in 8 ways, for example, as 18915836386756 + 1305173723364 = 4349234^2 + 1142442^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20221010110120.

It is not an unprimeable number, because it can be changed into a prime (20221010110121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2722902 + ... + 6917818.

Almost surely, 2^{20221010110120} is an apocalyptic number.

20221010110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20221010110120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23370643263240).

20221010110120 is an abundant number, since it is smaller than the sum of its proper divisors (26520276416360).

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

20221010110120 is a wasteful number, since it uses less digits than its factorization.

20221010110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4198222 (or 4198218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20221010110120 its reverse (2101101012202), we get a palindrome (22322111122322).

The spelling of 20221010110120 in words is "twenty trillion, two hundred twenty-one billion, ten million, one hundred ten thousand, one hundred twenty".