212221202201110 has 64 divisors (see below), whose sum is σ = 387335369176704. Its totient is φ = 83709959270400.

The previous prime is 212221202200967. The next prime is 212221202201111. The reversal of 212221202201110 is 11102202122212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212221202201111) 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 31 ways as a sum of consecutive naturals, for example, 306900550 + ... + 307591270.

It is an arithmetic number, because the mean of its divisors is an integer number (6052115143386).

Almost surely, 2^{212221202201110} is an apocalyptic number.

212221202201110 is a deficient number, since it is larger than the sum of its proper divisors (175114166975594).

212221202201110 is a wasteful number, since it uses less digits than its factorization.

212221202201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692089.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212221202201110 its reverse (11102202122212), we get a palindrome (223323404323322).

The spelling of 212221202201110 in words is "two hundred twelve trillion, two hundred twenty-one billion, two hundred two million, two hundred one thousand, one hundred ten".