1002221210200 has 48 divisors (see below), whose sum is σ = 2663044933680. Its totient is φ = 343618700160.

The previous prime is 1002221210173. The next prime is 1002221210209. The reversal of 1002221210200 is 20121222001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002221210209) 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, 357934747 + ... + 357937546.

It is an arithmetic number, because the mean of its divisors is an integer number (55480102785).

Almost surely, 2^{1002221210200} is an apocalyptic number.

1002221210200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002221210200 is an abundant number, since it is smaller than the sum of its proper divisors (1660823723480).

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

1002221210200 is a wasteful number, since it uses less digits than its factorization.

1002221210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715872316 (or 715872307 counting only the distinct ones).

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

Adding to 1002221210200 its reverse (20121222001), we get a palindrome (1022342432201).

The spelling of 1002221210200 in words is "one trillion, two billion, two hundred twenty-one million, two hundred ten thousand, two hundred".