112001120121221 has 8 divisors (see below), whose sum is σ = 112278863692800. Its totient is φ = 111723502318848.

The previous prime is 112001120121211. The next prime is 112001120121229. The reversal of 112001120121221 is 122121021100211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112001120121221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112001120121221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001120121229) 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, 29658911 + ... + 33221276.

It is an arithmetic number, because the mean of its divisors is an integer number (14034857961600).

Almost surely, 2^{112001120121221} is an apocalyptic number.

It is an amenable number.

112001120121221 is a deficient number, since it is larger than the sum of its proper divisors (277743571579).

112001120121221 is an equidigital number, since it uses as much as digits as its factorization.

112001120121221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62884603.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112001120121221 its reverse (122121021100211), we get a palindrome (234122141221432).

The spelling of 112001120121221 in words is "one hundred twelve trillion, one billion, one hundred twenty million, one hundred twenty-one thousand, two hundred twenty-one".