211102222102 has 4 divisors (see below), whose sum is σ = 316653333156. Its totient is φ = 105551111050.

The previous prime is 211102222027. The next prime is 211102222139. The reversal of 211102222102 is 201222201112.

It is a happy number.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 52775555524 + ... + 52775555527.

It is an arithmetic number, because the mean of its divisors is an integer number (79163333289).

Almost surely, 2^211102222102 is an apocalyptic number.

211102222102 is a deficient number, since it is larger than the sum of its proper divisors (105551111054).

211102222102 is a wasteful number, since it uses less digits than its factorization.

211102222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105551111053.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211102222102 its reverse (201222201112), we get a palindrome (412324423214).

The spelling of 211102222102 in words is "two hundred eleven billion, one hundred two million, two hundred twenty-two thousand, one hundred two".