112121100191 has 8 divisors (see below), whose sum is σ = 112996035504. Its totient is φ = 111246453760.

The previous prime is 112121100151. The next prime is 112121100209. The reversal of 112121100191 is 191001121211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112121100191 - 2¹⁸ = 112120838047 is a prime.

It is a super-2 number, since 2×112121100191² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121100151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742751 + ... + 880863.

It is an arithmetic number, because the mean of its divisors is an integer number (14124504438).

Almost surely, 2^112121100191 is an apocalyptic number.

112121100191 is a deficient number, since it is larger than the sum of its proper divisors (874935313).

112121100191 is a wasteful number, since it uses less digits than its factorization.

112121100191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144441.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 112121100191 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred thousand, one hundred ninety-one".