111220021110220 has 48 divisors (see below), whose sum is σ = 257864776259328. Its totient is φ = 39956371213760.

The previous prime is 111220021110127. The next prime is 111220021110223. The reversal of 111220021110220 is 22011120022111.

It is a junction number, because it is equal to n+sod(n) for n = 111220021110194 and 111220021110203.

It is not an unprimeable number, because it can be changed into a prime (111220021110223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3045436864 + ... + 3045473383.

It is an arithmetic number, because the mean of its divisors is an integer number (5372182838736).

Almost surely, 2^{111220021110220} is an apocalyptic number.

111220021110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111220021110220 is an abundant number, since it is smaller than the sum of its proper divisors (146644755149108).

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

111220021110220 is a wasteful number, since it uses less digits than its factorization.

111220021110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6090910350 (or 6090910348 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111220021110220 its reverse (22011120022111), we get a palindrome (133231141132331).

The spelling of 111220021110220 in words is "one hundred eleven trillion, two hundred twenty billion, twenty-one million, one hundred ten thousand, two hundred twenty".