112101031322221 has 4 divisors (see below), whose sum is σ = 112102161779772. Its totient is φ = 112099900864672.

The previous prime is 112101031322149. The next prime is 112101031322237. The reversal of 112101031322221 is 122223130101211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5148410918121 + 106952620404100 = 2269011^2 + 10341790^2 .

It is a cyclic number.

It is not a de Polignac number, because 112101031322221 - 2¹⁵ = 112101031289453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112101031322192 and 112101031322201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112101031322521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565080016 + ... + 565278361.

It is an arithmetic number, because the mean of its divisors is an integer number (28025540444943).

Almost surely, 2^{112101031322221} is an apocalyptic number.

It is an amenable number.

112101031322221 is a deficient number, since it is larger than the sum of its proper divisors (1130457551).

112101031322221 is an equidigital number, since it uses as much as digits as its factorization.

112101031322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130457550.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 112101031322221 its reverse (122223130101211), we get a palindrome (234324161423432).

The spelling of 112101031322221 in words is "one hundred twelve trillion, one hundred one billion, thirty-one million, three hundred twenty-two thousand, two hundred twenty-one".