112100116021 has 2 divisors, whose sum is σ = 112100116022. Its totient is φ = 112100116020.

The previous prime is 112100116019. The next prime is 112100116057. The reversal of 112100116021 is 120611001211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74100461796 + 37999654225 = 272214^2 + 194935^2 .

It is a cyclic number.

It is not a de Polignac number, because 112100116021 - 2¹ = 112100116019 is a prime.

Together with 112100116019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 112100115986 and 112100116004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112100116061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050058010 + 56050058011.

It is an arithmetic number, because the mean of its divisors is an integer number (56050058011).

Almost surely, 2^112100116021 is an apocalyptic number.

It is an amenable number.

112100116021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112100116021 is an equidigital number, since it uses as much as digits as its factorization.

112100116021 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 112100116021 its reverse (120611001211), we get a palindrome (232711117232).

The spelling of 112100116021 in words is "one hundred twelve billion, one hundred million, one hundred sixteen thousand, twenty-one".