112222101202021 has 2 divisors, whose sum is σ = 112222101202022. Its totient is φ = 112222101202020.

The previous prime is 112222101201997. The next prime is 112222101202037. The reversal of 112222101202021 is 120202101222211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87275972149921 + 24946129052100 = 9342161^2 + 4994610^2 .

It is a cyclic number.

It is not a de Polignac number, because 112222101202021 - 2¹¹ = 112222101199973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112222101202021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112222101002021) 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, 56111050601010 + 56111050601011.

It is an arithmetic number, because the mean of its divisors is an integer number (56111050601011).

Almost surely, 2^{112222101202021} is an apocalyptic number.

It is an amenable number.

112222101202021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112222101202021 is an equidigital number, since it uses as much as digits as its factorization.

112222101202021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112222101202021 its reverse (120202101222211), we get a palindrome (232424202424232).

The spelling of 112222101202021 in words is "one hundred twelve trillion, two hundred twenty-two billion, one hundred one million, two hundred two thousand, twenty-one".