22000220021120 has 128 divisors (see below), whose sum is σ = 57380924772000. Its totient is φ = 7999333908480.

The previous prime is 22000220021099. The next prime is 22000220021191. The reversal of 22000220021120 is 2112002200022.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 22000220021095 and 22000220021104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78348812 + ... + 78629108.

Almost surely, 2^{22000220021120} is an apocalyptic number.

22000220021120 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 22000220021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28690462386000).

22000220021120 is an abundant number, since it is smaller than the sum of its proper divisors (35380704750880).

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

22000220021120 is a wasteful number, since it uses less digits than its factorization.

22000220021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291476 (or 291464 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22000220021120 its reverse (2112002200022), we get a palindrome (24112222221142).

The spelling of 22000220021120 in words is "twenty-two trillion, two hundred twenty million, twenty-one thousand, one hundred twenty".