112001231221 has 8 divisors (see below), whose sum is σ = 122191709184. Its totient is φ = 101812177920.

The previous prime is 112001231213. The next prime is 112001231239. The reversal of 112001231221 is 122132100211.

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 112001231221 - 2³ = 112001231213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112001231195 and 112001231204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001231281) 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 7 ways as a sum of consecutive naturals, for example, 188341 + ... + 509386.

It is an arithmetic number, because the mean of its divisors is an integer number (15273963648).

Almost surely, 2^112001231221 is an apocalyptic number.

112001231221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112001231221 is a deficient number, since it is larger than the sum of its proper divisors (10190477963).

112001231221 is a wasteful number, since it uses less digits than its factorization.

112001231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712331.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 112001231221 its reverse (122132100211), we get a palindrome (234133331432).

It can be divided in two parts, 11200 and 1231221, that added together give a palindrome (1242421).

The spelling of 112001231221 in words is "one hundred twelve billion, one million, two hundred thirty-one thousand, two hundred twenty-one".