112122100001 has 2 divisors, whose sum is σ = 112122100002. Its totient is φ = 112122100000.

The previous prime is 112122099977. The next prime is 112122100037. The reversal of 112122100001 is 100001221211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112037478400 + 84621601 = 334720^2 + 9199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112122100001 is a prime.

It is not a weakly prime, because it can be changed into another prime (112122100081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56061050000 + 56061050001.

It is an arithmetic number, because the mean of its divisors is an integer number (56061050001).

Almost surely, 2^112122100001 is an apocalyptic number.

It is an amenable number.

112122100001 is a deficient number, since it is larger than the sum of its proper divisors (1).

112122100001 is an equidigital number, since it uses as much as digits as its factorization.

112122100001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112122100001 its reverse (100001221211), we get a palindrome (212123321212).

The spelling of 112122100001 in words is "one hundred twelve billion, one hundred twenty-two million, one hundred thousand, one".