112120221001 has 2 divisors, whose sum is σ = 112120221002. Its totient is φ = 112120221000.

The previous prime is 112120220987. The next prime is 112120221007. The reversal of 112120221001 is 100122021211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75735040000 + 36385181001 = 275200^2 + 190749^2 .

It is a cyclic number.

It is not a de Polignac number, because 112120221001 - 2⁷ = 112120220873 is a prime.

It is not a weakly prime, because it can be changed into another prime (112120221007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060110500 + 56060110501.

It is an arithmetic number, because the mean of its divisors is an integer number (56060110501).

Almost surely, 2^112120221001 is an apocalyptic number.

It is an amenable number.

112120221001 is a deficient number, since it is larger than the sum of its proper divisors (1).

112120221001 is an equidigital number, since it uses as much as digits as its factorization.

112120221001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112120221001 its reverse (100122021211), we get a palindrome (212242242212).

The spelling of 112120221001 in words is "one hundred twelve billion, one hundred twenty million, two hundred twenty-one thousand, one".