212102210221110 has 48 divisors (see below), whose sum is σ = 601598996266320. Its totient is φ = 51418717629120.

The previous prime is 212102210221093. The next prime is 212102210221117. The reversal of 212102210221110 is 11122012201212.

212102210221110 is a `hidden beast` number, since 2 + 1 + 210 + 221 + 0 + 221 + 1 + 10 = 666.

It is a super-3 number, since 3×212102210221110³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212102210221117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107122327405 + ... + 107122329384.

It is an arithmetic number, because the mean of its divisors is an integer number (12533312422215).

Almost surely, 2^{212102210221110} is an apocalyptic number.

212102210221110 is an abundant number, since it is smaller than the sum of its proper divisors (389496786045210).

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

212102210221110 is a wasteful number, since it uses less digits than its factorization.

212102210221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214244656813 (or 214244656810 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212102210221110 its reverse (11122012201212), we get a palindrome (223224222422322).

The spelling of 212102210221110 in words is "two hundred twelve trillion, one hundred two billion, two hundred ten million, two hundred twenty-one thousand, one hundred ten".