111131122220200 has 48 divisors (see below), whose sum is σ = 260265843599580. Its totient is φ = 44127978447360.

The previous prime is 111131122220189. The next prime is 111131122220213. The reversal of 111131122220200 is 2022221131111.

It can be written as a sum of positive squares in 6 ways, for example, as 26115309178596 + 85015813041604 = 5110314^2 + 9220402^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2027912787 + ... + 2027967586.

Almost surely, 2^{111131122220200} is an apocalyptic number.

111131122220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111131122220200 is an abundant number, since it is smaller than the sum of its proper divisors (149134721379380).

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

111131122220200 is a wasteful number, since it uses less digits than its factorization.

111131122220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055880526 (or 4055880517 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 111131122220200 its reverse (2022221131111), we get a palindrome (113153343351311).

The spelling of 111131122220200 in words is "one hundred eleven trillion, one hundred thirty-one billion, one hundred twenty-two million, two hundred twenty thousand, two hundred".