2202221121200 has 240 divisors, whose sum is σ = 5833014758400. Its totient is φ = 795279513600.

The previous prime is 2202221121161. The next prime is 2202221121263. The reversal of 2202221121200 is 21211222022.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47347556 + ... + 47394044.

It is an arithmetic number, because the mean of its divisors is an integer number (24304228160).

Almost surely, 2^{2202221121200} is an apocalyptic number.

2202221121200 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 2202221121200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2916507379200).

2202221121200 is an abundant number, since it is smaller than the sum of its proper divisors (3630793637200).

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

2202221121200 is a wasteful number, since it uses less digits than its factorization.

2202221121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46820 (or 46809 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2202221121200 its reverse (21211222022), we get a palindrome (2223432343222).

The spelling of 2202221121200 in words is "two trillion, two hundred two billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred".