22021112211120 has 320 divisors, whose sum is σ = 82775789153280. Its totient is φ = 5336529408000.

The previous prime is 22021112211101. The next prime is 22021112211143. The reversal of 22021112211120 is 2111221112022.

22021112211120 is a `hidden beast` number, since 220 + 2 + 1 + 112 + 211 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22021112211093 and 22021112211102.

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, 66386317 + ... + 66717203.

It is an arithmetic number, because the mean of its divisors is an integer number (258674341104).

Almost surely, 2^{22021112211120} is an apocalyptic number.

22021112211120 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 22021112211120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41387894576640).

22021112211120 is an abundant number, since it is smaller than the sum of its proper divisors (60754676942160).

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

22021112211120 is a wasteful number, since it uses less digits than its factorization.

22021112211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333721 (or 333709 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22021112211120 its reverse (2111221112022), we get a palindrome (24132333323142).

The spelling of 22021112211120 in words is "twenty-two trillion, twenty-one billion, one hundred twelve million, two hundred eleven thousand, one hundred twenty".