112012102021 has 2 divisors, whose sum is σ = 112012102022. Its totient is φ = 112012102020.

The previous prime is 112012102019. The next prime is 112012102031. The reversal of 112012102021 is 120201210211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69635820996 + 42376281025 = 263886^2 + 205855^2 .

It is a cyclic number.

It is not a de Polignac number, because 112012102021 - 2¹ = 112012102019 is a prime.

Together with 112012102019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 112012101992 and 112012102010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112012102031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56006051010 + 56006051011.

It is an arithmetic number, because the mean of its divisors is an integer number (56006051011).

Almost surely, 2^112012102021 is an apocalyptic number.

It is an amenable number.

112012102021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112012102021 is an equidigital number, since it uses as much as digits as its factorization.

112012102021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112012102021 its reverse (120201210211), we get a palindrome (232213312232).

The spelling of 112012102021 in words is "one hundred twelve billion, twelve million, one hundred two thousand, twenty-one".