2202211221200 has 30 divisors (see below), whose sum is σ = 5290812459894. Its totient is φ = 880884488320.

The previous prime is 2202211221191. The next prime is 2202211221209. The reversal of 2202211221200 is 21221122022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2202211221191) and next prime (2202211221209).

It can be written as a sum of positive squares in 3 ways, for example, as 881139856 + 2201330081344 = 29684^2 + 1483688^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202211221209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2752763627 + ... + 2752764426.

Almost surely, 2^{2202211221200} is an apocalyptic number.

2202211221200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202211221200 is an abundant number, since it is smaller than the sum of its proper divisors (3088601238694).

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

2202211221200 is a wasteful number, since it uses less digits than its factorization.

2202211221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505528071 (or 5505528060 counting only the distinct ones).

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

Adding to 2202211221200 its reverse (21221122022), we get a palindrome (2223432343222).

The spelling of 2202211221200 in words is "two trillion, two hundred two billion, two hundred eleven million, two hundred twenty-one thousand, two hundred".