221122221200210 has 16 divisors (see below), whose sum is σ = 434203634356992. Its totient is φ = 80408080436400.

The previous prime is 221122221200207. The next prime is 221122221200233. The reversal of 221122221200210 is 12002122221122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005101005346 + ... + 1005101005565.

It is an arithmetic number, because the mean of its divisors is an integer number (27137727147312).

Almost surely, 2^{221122221200210} is an apocalyptic number.

221122221200210 is a deficient number, since it is larger than the sum of its proper divisors (213081413156782).

221122221200210 is a wasteful number, since it uses less digits than its factorization.

221122221200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010202010929.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221122221200210 its reverse (12002122221122), we get a palindrome (233124343421332).

It can be divided in two parts, 2211222 and 21200210, that added together give a palindrome (23411432).

The spelling of 221122221200210 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred thousand, two hundred ten".