22020221121120 has 144 divisors (see below), whose sum is σ = 75191844257712. Its totient is φ = 5868320578560.

The previous prime is 22020221121113. The next prime is 22020221121121. The reversal of 22020221121120 is 2112112202022.

It is a happy number.

22020221121120 is a `hidden beast` number, since 2 + 20 + 202 + 211 + 211 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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 = 22020221121093 and 22020221121102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020221121121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2604667 + ... + 7129146.

It is an arithmetic number, because the mean of its divisors is an integer number (522165585123).

Almost surely, 2^{22020221121120} is an apocalyptic number.

22020221121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020221121120 is an abundant number, since it is smaller than the sum of its proper divisors (53171623136592).

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

22020221121120 is a wasteful number, since it uses less digits than its factorization.

22020221121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9735405 (or 9735394 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22020221121120 its reverse (2112112202022), we get a palindrome (24132333323142).

The spelling of 22020221121120 in words is "twenty-two trillion, twenty billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty".