111011222130 has 128 divisors (see below), whose sum is σ = 283770003456. Its totient is φ = 27697152000.

The previous prime is 111011222071. The next prime is 111011222131. The reversal of 111011222130 is 31222110111.

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

It is not an unprimeable number, because it can be changed into a prime (111011222131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 96447055 + ... + 96448205.

It is an arithmetic number, because the mean of its divisors is an integer number (2216953152).

Almost surely, 2^111011222130 is an apocalyptic number.

111011222130 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 111011222130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141885001728).

111011222130 is an abundant number, since it is smaller than the sum of its proper divisors (172758781326).

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

111011222130 is a wasteful number, since it uses less digits than its factorization.

111011222130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111011222130 its reverse (31222110111), we get a palindrome (142233332241).

The spelling of 111011222130 in words is "one hundred eleven billion, eleven million, two hundred twenty-two thousand, one hundred thirty".