211102102102 has 4 divisors (see below), whose sum is σ = 316653153156. Its totient is φ = 105551051050.

The previous prime is 211102102093. The next prime is 211102102117. The reversal of 211102102102 is 201201201112.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 52775525524 + ... + 52775525527.

It is an arithmetic number, because the mean of its divisors is an integer number (79163288289).

Almost surely, 2^211102102102 is an apocalyptic number.

211102102102 is a deficient number, since it is larger than the sum of its proper divisors (105551051054).

211102102102 is a wasteful number, since it uses less digits than its factorization.

211102102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105551051053.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211102102102 its reverse (201201201112), we get a palindrome (412303303214).

It can be divided in two parts, 21110 and 2102102, that added together give a palindrome (2123212).

The spelling of 211102102102 in words is "two hundred eleven billion, one hundred two million, one hundred two thousand, one hundred two".