212102112221110 has 16 divisors (see below), whose sum is σ = 383381223768000. Its totient is φ = 84485862272896.

The previous prime is 212102112221107. The next prime is 212102112221119. The reversal of 212102112221110 is 11122211201212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212102112221119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44372824435 + ... + 44372829214.

It is an arithmetic number, because the mean of its divisors is an integer number (23961326485500).

Almost surely, 2^{212102112221110} is an apocalyptic number.

212102112221110 is a deficient number, since it is larger than the sum of its proper divisors (171279111546890).

212102112221110 is a wasteful number, since it uses less digits than its factorization.

212102112221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88745653895.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212102112221110 its reverse (11122211201212), we get a palindrome (223224323422322).

The spelling of 212102112221110 in words is "two hundred twelve trillion, one hundred two billion, one hundred twelve million, two hundred twenty-one thousand, one hundred ten".