112221210200221 has 2 divisors, whose sum is σ = 112221210200222. Its totient is φ = 112221210200220.

The previous prime is 112221210200213. The next prime is 112221210200273. The reversal of 112221210200221 is 122002012122211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71109248716900 + 41111961483321 = 8432630^2 + 6411861^2 .

It is a cyclic number.

It is not a de Polignac number, because 112221210200221 - 2³ = 112221210200213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112221210200201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110605100110 + 56110605100111.

It is an arithmetic number, because the mean of its divisors is an integer number (56110605100111).

Almost surely, 2^{112221210200221} is an apocalyptic number.

It is an amenable number.

112221210200221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221210200221 is an equidigital number, since it uses as much as digits as its factorization.

112221210200221 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 112221210200221 its reverse (122002012122211), we get a palindrome (234223222322432).

The spelling of 112221210200221 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred ten million, two hundred thousand, two hundred twenty-one".