112001232121 has 2 divisors, whose sum is σ = 112001232122. Its totient is φ = 112001232120.

The previous prime is 112001232113. The next prime is 112001232143. The reversal of 112001232121 is 121232100211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62690144400 + 49311087721 = 250380^2 + 222061^2 .

It is an emirp because it is prime and its reverse (121232100211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112001232121 - 2³ = 112001232113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112001232095 and 112001232104.

It is not a weakly prime, because it can be changed into another prime (112001232181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56000616060 + 56000616061.

It is an arithmetic number, because the mean of its divisors is an integer number (56000616061).

Almost surely, 2^112001232121 is an apocalyptic number.

It is an amenable number.

112001232121 is a deficient number, since it is larger than the sum of its proper divisors (1).

112001232121 is an equidigital number, since it uses as much as digits as its factorization.

112001232121 is an evil number, because the sum of its binary digits is even.

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

Adding to 112001232121 its reverse (121232100211), we get a palindrome (233233332332).

The spelling of 112001232121 in words is "one hundred twelve billion, one million, two hundred thirty-two thousand, one hundred twenty-one".