211020011102 has 4 divisors (see below), whose sum is σ = 316530016656. Its totient is φ = 105510005550.

The previous prime is 211020011057. The next prime is 211020011113. The reversal of 211020011102 is 201110020112.

211020011102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52755002774 + ... + 52755002777.

It is an arithmetic number, because the mean of its divisors is an integer number (79132504164).

Almost surely, 2^211020011102 is an apocalyptic number.

211020011102 is a deficient number, since it is larger than the sum of its proper divisors (105510005554).

211020011102 is a wasteful number, since it uses less digits than its factorization.

211020011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105510005553.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211020011102 its reverse (201110020112), we get a palindrome (412130031214).

The spelling of 211020011102 in words is "two hundred eleven billion, twenty million, eleven thousand, one hundred two".