211201110111102 has 96 divisors (see below), whose sum is σ = 447569930059776. Its totient is φ = 66371197838400.

The previous prime is 211201110111091. The next prime is 211201110111137. The reversal of 211201110111102 is 201111011102112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130917352 + ... + 132520772.

It is an arithmetic number, because the mean of its divisors is an integer number (4662186771456).

Almost surely, 2^{211201110111102} is an apocalyptic number.

211201110111102 is an abundant number, since it is smaller than the sum of its proper divisors (236368819948674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211201110111102 is a wasteful number, since it uses less digits than its factorization.

211201110111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603926 (or 1603883 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 211201110111102 its reverse (201111011102112), we get a palindrome (412312121213214).

The spelling of 211201110111102 in words is "two hundred eleven trillion, two hundred one billion, one hundred ten million, one hundred eleven thousand, one hundred two".