222201120211200 has 1296 divisors, whose sum is σ = 866591144991936. Its totient is φ = 53991677952000.

The previous prime is 222201120211177. The next prime is 222201120211201. The reversal of 222201120211200 is 2112021102222.

It is a happy number.

222201120211200 is a `hidden beast` number, since 2 + 2 + 220 + 11 + 20 + 211 + 200 = 666.

It is a super-2 number, since 2×222201120211200² (a number of 29 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (222201120211201) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 26243189367 + ... + 26243197833.

Almost surely, 2^{222201120211200} is an apocalyptic number.

222201120211200 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 222201120211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433295572495968).

222201120211200 is an abundant number, since it is smaller than the sum of its proper divisors (644390024780736).

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

222201120211200 is a wasteful number, since it uses less digits than its factorization.

222201120211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8960 (or 8938 counting only the distinct ones).

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

Adding to 222201120211200 its reverse (2112021102222), we get a palindrome (224313141313422).

The spelling of 222201120211200 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred twenty million, two hundred eleven thousand, two hundred".