111211221110110 has 384 divisors, whose sum is σ = 238891464604800. Its totient is φ = 37132204032000.

The previous prime is 111211221110071. The next prime is 111211221110123. The reversal of 111211221110110 is 11011122112111.

111211221110110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×111211221110110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 23222219596 + ... + 23222224384.

It is an arithmetic number, because the mean of its divisors is an integer number (622113189075).

Almost surely, 2^{111211221110110} is an apocalyptic number.

111211221110110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111211221110110 is an abundant number, since it is smaller than the sum of its proper divisors (127680243494690).

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

111211221110110 is a wasteful number, since it uses less digits than its factorization.

111211221110110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148 (or 5137 counting only the distinct ones).

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

Adding to 111211221110110 its reverse (11011122112111), we get a palindrome (122222343222221).

It can be divided in two parts, 1112112 and 21110110, that added together give a palindrome (22222222).

The spelling of 111211221110110 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred twenty-one million, one hundred ten thousand, one hundred ten".