112100201110021 has 2 divisors, whose sum is σ = 112100201110022. Its totient is φ = 112100201110020.

The previous prime is 112100201109989. The next prime is 112100201110031. The reversal of 112100201110021 is 120011102001211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100149836085121 + 11950365024900 = 10007489^2 + 3456930^2 .

It is a cyclic number.

It is not a de Polignac number, because 112100201110021 - 2⁵ = 112100201109989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112100201109983 and 112100201110010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112100201110031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050100555010 + 56050100555011.

It is an arithmetic number, because the mean of its divisors is an integer number (56050100555011).

Almost surely, 2^{112100201110021} is an apocalyptic number.

It is an amenable number.

112100201110021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112100201110021 is an equidigital number, since it uses as much as digits as its factorization.

112100201110021 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 13.

Adding to 112100201110021 its reverse (120011102001211), we get a palindrome (232111303111232).

The spelling of 112100201110021 in words is "one hundred twelve trillion, one hundred billion, two hundred one million, one hundred ten thousand, twenty-one".