20221110100120 has 128 divisors (see below), whose sum is σ = 46734779407680. Its totient is φ = 7869588480000.

The previous prime is 20221110100031. The next prime is 20221110100157. The reversal of 20221110100120 is 2100101112202.

It is a self number, because there is not a number n which added to its sum of digits gives 20221110100120.

It is a congruent number.

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, 1115884660 + ... + 1115902780.

Almost surely, 2^{20221110100120} is an apocalyptic number.

20221110100120 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 20221110100120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23367389703840).

20221110100120 is an abundant number, since it is smaller than the sum of its proper divisors (26513669307560).

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

20221110100120 is a wasteful number, since it uses less digits than its factorization.

20221110100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19997 (or 19993 counting only the distinct ones).

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

Adding to 20221110100120 its reverse (2100101112202), we get a palindrome (22321211212322).

The spelling of 20221110100120 in words is "twenty trillion, two hundred twenty-one billion, one hundred ten million, one hundred thousand, one hundred twenty".