111114221010 has 128 divisors (see below), whose sum is σ = 296657012736. Its totient is φ = 26450565120.

The previous prime is 111114220951. The next prime is 111114221011. The reversal of 111114221010 is 10122411111.

It is a happy number.

It is a super-2 number, since 2×111114221010² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111114221011) 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 63 ways as a sum of consecutive naturals, for example, 26753094 + ... + 26757246.

It is an arithmetic number, because the mean of its divisors is an integer number (2317632912).

Almost surely, 2^111114221010 is an apocalyptic number.

111114221010 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 111114221010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148328506368).

111114221010 is an abundant number, since it is smaller than the sum of its proper divisors (185542791726).

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

111114221010 is a wasteful number, since it uses less digits than its factorization.

111114221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6420.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111114221010 its reverse (10122411111), we get a palindrome (121236632121).

The spelling of 111114221010 in words is "one hundred eleven billion, one hundred fourteen million, two hundred twenty-one thousand, ten".