222201201111200 has 144 divisors (see below), whose sum is σ = 543035900040480. Its totient is φ = 88784299269120.

The previous prime is 222201201111167. The next prime is 222201201111229. The reversal of 222201201111200 is 2111102102222.

It is a super-2 number, since 2×222201201111200² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4611968711 + ... + 4612016889.

It is an arithmetic number, because the mean of its divisors is an integer number (3771082639170).

Almost surely, 2^{222201201111200} is an apocalyptic number.

222201201111200 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 222201201111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271517950020240).

222201201111200 is an abundant number, since it is smaller than the sum of its proper divisors (320834698929280).

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

222201201111200 is a wasteful number, since it uses less digits than its factorization.

222201201111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54319 (or 54306 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222201201111200 its reverse (2111102102222), we get a palindrome (224312303213422).

The spelling of 222201201111200 in words is "two hundred twenty-two trillion, two hundred one billion, two hundred one million, one hundred eleven thousand, two hundred".