111100434100 has 36 divisors (see below), whose sum is σ = 243573405964. Its totient is φ = 43982023680.

The previous prime is 111100434097. The next prime is 111100434139. The reversal of 111100434100 is 1434001111.

It can be written as a sum of positive squares in 6 ways, for example, as 1700902564 + 109399531536 = 41242^2 + 330756^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5717127 + ... + 5736526.

Almost surely, 2^111100434100 is an apocalyptic number.

111100434100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111100434100 is an abundant number, since it is smaller than the sum of its proper divisors (132472971864).

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

111100434100 is a wasteful number, since it uses less digits than its factorization.

111100434100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11453764 (or 11453757 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111100434100 its reverse (1434001111), we get a palindrome (112534435211).

The spelling of 111100434100 in words is "one hundred eleven billion, one hundred million, four hundred thirty-four thousand, one hundred".