112101115155 has 64 divisors (see below), whose sum is σ = 192933273600. Its totient is φ = 55454837760.

The previous prime is 112101115117. The next prime is 112101115157. The reversal of 112101115155 is 551511101211.

It is a happy number.

It is not a de Polignac number, because 112101115155 - 2¹⁹ = 112100590867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112101115157) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1817106 + ... + 1877784.

It is an arithmetic number, because the mean of its divisors is an integer number (3014582400).

Almost surely, 2^112101115155 is an apocalyptic number.

112101115155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

112101115155 is a deficient number, since it is larger than the sum of its proper divisors (80832158445).

112101115155 is a wasteful number, since it uses less digits than its factorization.

112101115155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60884.

The product of its (nonzero) digits is 250, while the sum is 24.

Adding to 112101115155 its reverse (551511101211), we get a palindrome (663612216366).

The spelling of 112101115155 in words is "one hundred twelve billion, one hundred one million, one hundred fifteen thousand, one hundred fifty-five".