211120111102 has 4 divisors (see below), whose sum is σ = 316680166656. Its totient is φ = 105560055550.

The previous prime is 211120111093. The next prime is 211120111159. The reversal of 211120111102 is 201111021112.

It is a happy number.

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, 52780027774 + ... + 52780027777.

It is an arithmetic number, because the mean of its divisors is an integer number (79170041664).

Almost surely, 2^211120111102 is an apocalyptic number.

211120111102 is a deficient number, since it is larger than the sum of its proper divisors (105560055554).

211120111102 is a wasteful number, since it uses less digits than its factorization.

211120111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105560055553.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211120111102 its reverse (201111021112), we get a palindrome (412231132214).

The spelling of 211120111102 in words is "two hundred eleven billion, one hundred twenty million, one hundred eleven thousand, one hundred two".