112110101021 has 2 divisors, whose sum is σ = 112110101022. Its totient is φ = 112110101020.

The previous prime is 112110100967. The next prime is 112110101099. The reversal of 112110101021 is 120101011211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110081949796 + 2028151225 = 331786^2 + 45035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112110101021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112110100993 and 112110101011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112110109021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56055050510 + 56055050511.

It is an arithmetic number, because the mean of its divisors is an integer number (56055050511).

Almost surely, 2^112110101021 is an apocalyptic number.

It is an amenable number.

112110101021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112110101021 is an equidigital number, since it uses as much as digits as its factorization.

112110101021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 112110101021 its reverse (120101011211), we get a palindrome (232211112232).

The spelling of 112110101021 in words is "one hundred twelve billion, one hundred ten million, one hundred one thousand, twenty-one".