22110121200020 has 48 divisors (see below), whose sum is σ = 53064631025280. Its totient is φ = 7580564390784.

The previous prime is 22110121200017. The next prime is 22110121200047. The reversal of 22110121200020 is 2000212101122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 22110121199968 and 22110121200004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26564951 + ... + 27384609.

It is an arithmetic number, because the mean of its divisors is an integer number (1105513146360).

Almost surely, 2^{22110121200020} is an apocalyptic number.

22110121200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110121200020 is an abundant number, since it is smaller than the sum of its proper divisors (30954509825260).

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

22110121200020 is a wasteful number, since it uses less digits than its factorization.

22110121200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012352 (or 1012350 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22110121200020 its reverse (2000212101122), we get a palindrome (24110333301142).

The spelling of 22110121200020 in words is "twenty-two trillion, one hundred ten billion, one hundred twenty-one million, two hundred thousand, twenty".