112051401213221 has 4 divisors (see below), whose sum is σ = 113401418095392. Its totient is φ = 110701384331052.

The previous prime is 112051401213211. The next prime is 112051401213247. The reversal of 112051401213221 is 122312104150211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112051401213221 - 2²² = 112051397018917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112051401213211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675008440961 + ... + 675008441126.

It is an arithmetic number, because the mean of its divisors is an integer number (28350354523848).

Almost surely, 2^{112051401213221} is an apocalyptic number.

It is an amenable number.

112051401213221 is a deficient number, since it is larger than the sum of its proper divisors (1350016882171).

112051401213221 is an equidigital number, since it uses as much as digits as its factorization.

112051401213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350016882170.

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 112051401213221 its reverse (122312104150211), we get a palindrome (234363505363432).

The spelling of 112051401213221 in words is "one hundred twelve trillion, fifty-one billion, four hundred one million, two hundred thirteen thousand, two hundred twenty-one".