111200011122100 has 36 divisors (see below), whose sum is σ = 243065367406764. Its totient is φ = 44155332878080.

The previous prime is 111200011122043. The next prime is 111200011122119. The reversal of 111200011122100 is 1221110002111.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 102424321444 + 111097586800656 = 320038^2 + 10540284^2 .

It is a super-2 number, since 2×111200011122100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 4058380867 + ... + 4058408266.

It is an arithmetic number, because the mean of its divisors is an integer number (6751815761299).

Almost surely, 2^{111200011122100} is an apocalyptic number.

111200011122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111200011122100 is an abundant number, since it is smaller than the sum of its proper divisors (131865356284664).

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

111200011122100 is a wasteful number, since it uses less digits than its factorization.

111200011122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8116789284 (or 8116789277 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111200011122100 its reverse (1221110002111), we get a palindrome (112421121124211).

The spelling of 111200011122100 in words is "one hundred eleven trillion, two hundred billion, eleven million, one hundred twenty-two thousand, one hundred".