112100131012021 has 2 divisors, whose sum is σ = 112100131012022. Its totient is φ = 112100131012020.

The previous prime is 112100131011989. The next prime is 112100131012081. The reversal of 112100131012021 is 120210131001211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92790566121796 + 19309564890225 = 9632786^2 + 4394265^2 .

It is a cyclic number.

It is not a de Polignac number, because 112100131012021 - 2⁵ = 112100131011989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112100131011986 and 112100131012004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112100131012081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050065506010 + 56050065506011.

It is an arithmetic number, because the mean of its divisors is an integer number (56050065506011).

Almost surely, 2^{112100131012021} is an apocalyptic number.

It is an amenable number.

112100131012021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112100131012021 is an equidigital number, since it uses as much as digits as its factorization.

112100131012021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 112100131012021 its reverse (120210131001211), we get a palindrome (232310262013232).

The spelling of 112100131012021 in words is "one hundred twelve trillion, one hundred billion, one hundred thirty-one million, twelve thousand, twenty-one".