110111212120 has 256 divisors, whose sum is σ = 318276967680. Its totient is φ = 33354547200.

The previous prime is 110111212103. The next prime is 110111212139. The reversal of 110111212120 is 21212111011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 110111212120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7902760 + ... + 7916680.

It is an arithmetic number, because the mean of its divisors is an integer number (1243269405).

Almost surely, 2^110111212120 is an apocalyptic number.

110111212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110111212120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159138483840).

110111212120 is an abundant number, since it is smaller than the sum of its proper divisors (208165755560).

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

110111212120 is a wasteful number, since it uses less digits than its factorization.

110111212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14046 (or 14042 counting only the distinct ones).

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

Adding to 110111212120 its reverse (21212111011), we get a palindrome (131323323131).

The spelling of 110111212120 in words is "one hundred ten billion, one hundred eleven million, two hundred twelve thousand, one hundred twenty".