111342130220 has 24 divisors (see below), whose sum is σ = 241361006208. Its totient is φ = 43100179200.

The previous prime is 111342130153. The next prime is 111342130243. The reversal of 111342130220 is 22031243111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 111342130192 and 111342130201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89791421 + ... + 89792660.

It is an arithmetic number, because the mean of its divisors is an integer number (10056708592).

Almost surely, 2^111342130220 is an apocalyptic number.

111342130220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111342130220 is an abundant number, since it is smaller than the sum of its proper divisors (130018875988).

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

111342130220 is a wasteful number, since it uses less digits than its factorization.

111342130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179584121 (or 179584119 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111342130220 its reverse (22031243111), we get a palindrome (133373373331).

The spelling of 111342130220 in words is "one hundred eleven billion, three hundred forty-two million, one hundred thirty thousand, two hundred twenty".