111120100021110 has 192 divisors, whose sum is σ = 298542854145024. Its totient is φ = 26412274944000.

The previous prime is 111120100021039. The next prime is 111120100021141. The reversal of 111120100021110 is 11120001021111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17381775 + ... + 22899045.

It is an arithmetic number, because the mean of its divisors is an integer number (1554910698672).

Almost surely, 2^{111120100021110} is an apocalyptic number.

111120100021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111120100021110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149271427072512).

111120100021110 is an abundant number, since it is smaller than the sum of its proper divisors (187422754123914).

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

111120100021110 is a wasteful number, since it uses less digits than its factorization.

111120100021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5517439 (or 5517422 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111120100021110 its reverse (11120001021111), we get a palindrome (122240101042221).

The spelling of 111120100021110 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred million, twenty-one thousand, one hundred ten".