111303142220 has 36 divisors (see below), whose sum is σ = 248294600400. Its totient is φ = 41902357248.

The previous prime is 111303142213. The next prime is 111303142229. The reversal of 111303142220 is 22241303111.

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 = 111303142192 and 111303142201.

It is not an unprimeable number, because it can be changed into a prime (111303142229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9622520 + ... + 9634079.

Almost surely, 2^111303142220 is an apocalyptic number.

111303142220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111303142220 is an abundant number, since it is smaller than the sum of its proper divisors (136991458180).

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

111303142220 is a wasteful number, since it uses less digits than its factorization.

111303142220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19256642 (or 19256623 counting only the distinct ones).

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

Adding to 111303142220 its reverse (22241303111), we get a palindrome (133544445331).

The spelling of 111303142220 in words is "one hundred eleven billion, three hundred three million, one hundred forty-two thousand, two hundred twenty".