221211002010200 has 24 divisors (see below), whose sum is σ = 514315579674180. Its totient is φ = 88484400804000.

The previous prime is 221211002010101. The next prime is 221211002010203. The reversal of 221211002010200 is 2010200112122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221211002010203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 553027504826 + ... + 553027505225.

Almost surely, 2^{221211002010200} is an apocalyptic number.

221211002010200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221211002010200 is an abundant number, since it is smaller than the sum of its proper divisors (293104577663980).

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

221211002010200 is a wasteful number, since it uses less digits than its factorization.

221211002010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106055010067 (or 1106055010058 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221211002010200 its reverse (2010200112122), we get a palindrome (223221202122322).

The spelling of 221211002010200 in words is "two hundred twenty-one trillion, two hundred eleven billion, two million, ten thousand, two hundred".