212111222102110 has 64 divisors (see below), whose sum is σ = 402146065440000. Its totient is φ = 80328780912384.

The previous prime is 212111222102081. The next prime is 212111222102179. The reversal of 212111222102110 is 11201222111212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2160405001 + ... + 2160503179.

It is an arithmetic number, because the mean of its divisors is an integer number (6283532272500).

Almost surely, 2^{212111222102110} is an apocalyptic number.

212111222102110 is a deficient number, since it is larger than the sum of its proper divisors (190034843337890).

212111222102110 is a wasteful number, since it uses less digits than its factorization.

212111222102110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105193.

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

Adding to 212111222102110 its reverse (11201222111212), we get a palindrome (223312444213322).

The spelling of 212111222102110 in words is "two hundred twelve trillion, one hundred eleven billion, two hundred twenty-two million, one hundred two thousand, one hundred ten".