211112111102 has 8 divisors (see below), whose sum is σ = 316910456856. Its totient is φ = 105475292152.

The previous prime is 211112111099. The next prime is 211112111107. The reversal of 211112111102 is 201111211112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211112111107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40378433 + ... + 40383660.

It is an arithmetic number, because the mean of its divisors is an integer number (39613807107).

Almost surely, 2^211112111102 is an apocalyptic number.

211112111102 is a deficient number, since it is larger than the sum of its proper divisors (105798345754).

211112111102 is a wasteful number, since it uses less digits than its factorization.

211112111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80763402.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 211112111102 its reverse (201111211112), we get a palindrome (412223322214).

It can be divided in two parts, 21111211110 and 2, that added together give a palindrome (21111211112).

The spelling of 211112111102 in words is "two hundred eleven billion, one hundred twelve million, one hundred eleven thousand, one hundred two".