211330211102 has 4 divisors (see below), whose sum is σ = 316995316656. Its totient is φ = 105665105550.

The previous prime is 211330211093. The next prime is 211330211119. The reversal of 211330211102 is 201112033112.

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, 52832552774 + ... + 52832552777.

It is an arithmetic number, because the mean of its divisors is an integer number (79248829164).

Almost surely, 2^211330211102 is an apocalyptic number.

211330211102 is a deficient number, since it is larger than the sum of its proper divisors (105665105554).

211330211102 is a wasteful number, since it uses less digits than its factorization.

211330211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105665105553.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 211330211102 its reverse (201112033112), we get a palindrome (412442244214).

The spelling of 211330211102 in words is "two hundred eleven billion, three hundred thirty million, two hundred eleven thousand, one hundred two".