22211221201120 has 192 divisors, whose sum is σ = 60368375692800. Its totient is φ = 7564886784000.

The previous prime is 22211221201111. The next prime is 22211221201129. The reversal of 22211221201120 is 2110212211222.

It is an interprime number because it is at equal distance from previous prime (22211221201111) and next prime (22211221201129).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211221201129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106440246 + ... + 106648714.

It is an arithmetic number, because the mean of its divisors is an integer number (314418623400).

Almost surely, 2^{22211221201120} is an apocalyptic number.

22211221201120 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 22211221201120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30184187846400).

22211221201120 is an abundant number, since it is smaller than the sum of its proper divisors (38157154491680).

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

22211221201120 is a wasteful number, since it uses less digits than its factorization.

22211221201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209121 (or 209113 counting only the distinct ones).

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

Adding to 22211221201120 its reverse (2110212211222), we get a palindrome (24321433412342).

The spelling of 22211221201120 in words is "twenty-two trillion, two hundred eleven billion, two hundred twenty-one million, two hundred one thousand, one hundred twenty".