221222011010200 has 24 divisors (see below), whose sum is σ = 514341175599180. Its totient is φ = 88488804404000.

The previous prime is 221222011010171. The next prime is 221222011010249. The reversal of 221222011010200 is 2010110222122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 553055027326 + ... + 553055027725.

Almost surely, 2^{221222011010200} is an apocalyptic number.

221222011010200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221222011010200 is an abundant number, since it is smaller than the sum of its proper divisors (293119164588980).

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

221222011010200 is a wasteful number, since it uses less digits than its factorization.

221222011010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106110055067 (or 1106110055058 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221222011010200 its reverse (2010110222122), we get a palindrome (223232121232322).

The spelling of 221222011010200 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, eleven million, ten thousand, two hundred".