211121121110110 has 8 divisors (see below), whose sum is σ = 380018017998216. Its totient is φ = 84448448444040.

The previous prime is 211121121110047. The next prime is 211121121110117. The reversal of 211121121110110 is 11011121121112.

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 (211121121110117) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10556056055496 + ... + 10556056055515.

It is an arithmetic number, because the mean of its divisors is an integer number (47502252249777).

Almost surely, 2^{211121121110110} is an apocalyptic number.

211121121110110 is a deficient number, since it is larger than the sum of its proper divisors (168896896888106).

211121121110110 is a wasteful number, since it uses less digits than its factorization.

211121121110110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21112112111018.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 211121121110110 its reverse (11011121121112), we get a palindrome (222132242231222).

It can be divided in two parts, 21112112 and 1110110, that added together give a palindrome (22222222).

The spelling of 211121121110110 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred ten thousand, one hundred ten".