2201220211200 has 120 divisors (see below), whose sum is σ = 7271593518288. Its totient is φ = 586992046080.

The previous prime is 2201220211199. The next prime is 2201220211207. The reversal of 2201220211200 is 21120221022.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2201220211200.

It is not an unprimeable number, because it can be changed into a prime (2201220211207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28623322 + ... + 28700121.

Almost surely, 2^{2201220211200} is an apocalyptic number.

2201220211200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201220211200 is an abundant number, since it is smaller than the sum of its proper divisors (5070373307088).

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

2201220211200 is an equidigital number, since it uses as much as digits as its factorization.

2201220211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57323474 (or 57323453 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2201220211200 its reverse (21120221022), we get a palindrome (2222340432222).

The spelling of 2201220211200 in words is "two trillion, two hundred one billion, two hundred twenty million, two hundred eleven thousand, two hundred".