22211210221120 has 56 divisors (see below), whose sum is σ = 52891114563000. Its totient is φ = 8884371505152.

The previous prime is 22211210221117. The next prime is 22211210221139. The reversal of 22211210221120 is 2112201211222.

It can be written as a sum of positive squares in 4 ways, for example, as 4760739975744 + 17450470245376 = 2181912^2 + 4177376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27651726 + ... + 28443634.

It is an arithmetic number, because the mean of its divisors is an integer number (944484188625).

Almost surely, 2^{22211210221120} is an apocalyptic number.

22211210221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211210221120 is an abundant number, since it is smaller than the sum of its proper divisors (30679904341880).

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

22211210221120 is an equidigital number, since it uses as much as digits as its factorization.

22211210221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879575 (or 879565 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22211210221120 its reverse (2112201211222), we get a palindrome (24323411432342).

The spelling of 22211210221120 in words is "twenty-two trillion, two hundred eleven billion, two hundred ten million, two hundred twenty-one thousand, one hundred twenty".