111220122200200 has 96 divisors (see below), whose sum is σ = 278483341941000. Its totient is φ = 41065114613760.

The previous prime is 111220122200179. The next prime is 111220122200219. The reversal of 111220122200200 is 2002221022111.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 8244834589924 + 102975287610276 = 2871382^2 + 10147674^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147493726 + ... + 148245874.

Almost surely, 2^{111220122200200} is an apocalyptic number.

111220122200200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111220122200200 is an abundant number, since it is smaller than the sum of its proper divisors (167263219740800).

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

111220122200200 is a wasteful number, since it uses less digits than its factorization.

111220122200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809051 (or 809042 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111220122200200 its reverse (2002221022111), we get a palindrome (113222343222311).

The spelling of 111220122200200 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred twenty-two million, two hundred thousand, two hundred".