212212111102 has 8 divisors (see below), whose sum is σ = 318320232336. Its totient is φ = 106105366992.

The previous prime is 212212111093. The next prime is 212212111117. The reversal of 212212111102 is 201111212212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 237778 + ... + 693514.

It is an arithmetic number, because the mean of its divisors is an integer number (39790029042).

Almost surely, 2^212212111102 is an apocalyptic number.

212212111102 is a deficient number, since it is larger than the sum of its proper divisors (106108121234).

212212111102 is a wasteful number, since it uses less digits than its factorization.

212212111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688562.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212212111102 its reverse (201111212212), we get a palindrome (413323323314).

The spelling of 212212111102 in words is "two hundred twelve billion, two hundred twelve million, one hundred eleven thousand, one hundred two".