1002210221200 has 60 divisors (see below), whose sum is σ = 2411068967920. Its totient is φ = 400341502080.

The previous prime is 1002210221197. The next prime is 1002210221209. The reversal of 1002210221200 is 21220122001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1002210221209) 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 11 ways as a sum of consecutive naturals, for example, 1399614 + ... + 1990813.

Almost surely, 2^{1002210221200} is an apocalyptic number.

1002210221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002210221200 is an abundant number, since it is smaller than the sum of its proper divisors (1408858746720).

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

1002210221200 is a wasteful number, since it uses less digits than its factorization.

1002210221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391184 (or 3391173 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1002210221200 its reverse (21220122001), we get a palindrome (1023430343201).

The spelling of 1002210221200 in words is "one trillion, two billion, two hundred ten million, two hundred twenty-one thousand, two hundred".