112001129501 has 2 divisors, whose sum is σ = 112001129502. Its totient is φ = 112001129500.

The previous prime is 112001129467. The next prime is 112001129507. The reversal of 112001129501 is 105921100211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111106222276 + 894907225 = 333326^2 + 29915^2 .

It is a cyclic number.

It is not a de Polignac number, because 112001129501 - 2⁶ = 112001129437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112001129507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56000564750 + 56000564751.

It is an arithmetic number, because the mean of its divisors is an integer number (56000564751).

Almost surely, 2^112001129501 is an apocalyptic number.

It is an amenable number.

112001129501 is a deficient number, since it is larger than the sum of its proper divisors (1).

112001129501 is an equidigital number, since it uses as much as digits as its factorization.

112001129501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 23.

Adding to 112001129501 its reverse (105921100211), we get a palindrome (217922229712).

The spelling of 112001129501 in words is "one hundred twelve billion, one million, one hundred twenty-nine thousand, five hundred one".