112212102200221 has 2 divisors, whose sum is σ = 112212102200222. Its totient is φ = 112212102200220.

The previous prime is 112212102200203. The next prime is 112212102200279. The reversal of 112212102200221 is 122002201212211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112153289160025 + 58813040196 = 10590245^2 + 242514^2 .

It is an emirp because it is prime and its reverse (122002201212211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112212102200221 - 2³⁵ = 112177742461853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112212102200201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56106051100110 + 56106051100111.

It is an arithmetic number, because the mean of its divisors is an integer number (56106051100111).

Almost surely, 2^{112212102200221} is an apocalyptic number.

It is an amenable number.

112212102200221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112212102200221 is an equidigital number, since it uses as much as digits as its factorization.

112212102200221 is an evil number, because the sum of its binary digits is even.

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

Adding to 112212102200221 its reverse (122002201212211), we get a palindrome (234214303412432).

The spelling of 112212102200221 in words is "one hundred twelve trillion, two hundred twelve billion, one hundred two million, two hundred thousand, two hundred twenty-one".