112312213110021 has 8 divisors (see below), whose sum is σ = 149749805909920. Its totient is φ = 74874714525072.

The previous prime is 112312213110017. The next prime is 112312213110037. The reversal of 112312213110021 is 120011312213211.

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

It is not a de Polignac number, because 112312213110021 - 2² = 112312213110017 is a prime.

It is a super-2 number, since 2×112312213110021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 112312213110021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112312213110011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20723626 + ... + 25575243.

It is an arithmetic number, because the mean of its divisors is an integer number (18718725738740).

Almost surely, 2^{112312213110021} is an apocalyptic number.

It is an amenable number.

112312213110021 is a deficient number, since it is larger than the sum of its proper divisors (37437592799899).

112312213110021 is an equidigital number, since it uses as much as digits as its factorization.

112312213110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47107475.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 112312213110021 its reverse (120011312213211), we get a palindrome (232323525323232).

The spelling of 112312213110021 in words is "one hundred twelve trillion, three hundred twelve billion, two hundred thirteen million, one hundred ten thousand, twenty-one".