112002155 has 4 divisors (see below), whose sum is σ = 134402592. Its totient is φ = 89601720.

The previous prime is 112002151. The next prime is 112002167. The reversal of 112002155 is 551200211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551200211 = 37 ⋅14897303.

It is not a de Polignac number, because 112002155 - 2² = 112002151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112002151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11200211 + ... + 11200220.

It is an arithmetic number, because the mean of its divisors is an integer number (33600648).

Almost surely, 2^112002155 is an apocalyptic number.

112002155 is a deficient number, since it is larger than the sum of its proper divisors (22400437).

112002155 is an equidigital number, since it uses as much as digits as its factorization.

112002155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22400436.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 112002155 is about 10583.1070579485. The cubic root of 112002155 is about 482.0315443965.

Adding to 112002155 its reverse (551200211), we get a palindrome (663202366).

The spelling of 112002155 in words is "one hundred twelve million, two thousand, one hundred fifty-five".