112310219991 has 8 divisors (see below), whose sum is σ = 150316341120. Its totient is φ = 74588789432.

The previous prime is 112310219953. The next prime is 112310219999. The reversal of 112310219991 is 199912013211.

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 112310219991 - 2⁶ = 112310219927 is a prime.

It is a super-2 number, since 2×112310219991² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112310219999) 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, 71171721 + ... + 71173298.

It is an arithmetic number, because the mean of its divisors is an integer number (18789542640).

Almost surely, 2^112310219991 is an apocalyptic number.

112310219991 is a deficient number, since it is larger than the sum of its proper divisors (38006121129).

112310219991 is a wasteful number, since it uses less digits than its factorization.

112310219991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142345285.

The product of its (nonzero) digits is 8748, while the sum is 39.

The spelling of 112310219991 in words is "one hundred twelve billion, three hundred ten million, two hundred nineteen thousand, nine hundred ninety-one".