111011100110100 has 144 divisors (see below), whose sum is σ = 357958319826240. Its totient is φ = 29513524867200.

The previous prime is 111011100110081. The next prime is 111011100110231. The reversal of 111011100110100 is 1011001110111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61213887 + ... + 63001286.

It is an arithmetic number, because the mean of its divisors is an integer number (2485821665460).

Almost surely, 2^{111011100110100} is an apocalyptic number.

111011100110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111011100110100 is an abundant number, since it is smaller than the sum of its proper divisors (246947219716140).

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

111011100110100 is a wasteful number, since it uses less digits than its factorization.

111011100110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124215527 (or 124215514 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 111011100110100 its reverse (1011001110111), we get a palindrome (112022101220211).

The spelling of 111011100110100 in words is "one hundred eleven trillion, eleven billion, one hundred million, one hundred ten thousand, one hundred".