212333111102 has 24 divisors (see below), whose sum is σ = 392293710144. Its totient is φ = 85646968512.

The previous prime is 212333111099. The next prime is 212333111117. The reversal of 212333111102 is 201111333212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63723758 + ... + 63727089.

It is an arithmetic number, because the mean of its divisors is an integer number (16345571256).

Almost surely, 2^212333111102 is an apocalyptic number.

212333111102 is a deficient number, since it is larger than the sum of its proper divisors (179960599042).

212333111102 is a wasteful number, since it uses less digits than its factorization.

212333111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127450880 (or 127450873 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 212333111102 its reverse (201111333212), we get a palindrome (413444444314).

The spelling of 212333111102 in words is "two hundred twelve billion, three hundred thirty-three million, one hundred eleven thousand, one hundred two".