112021122002221 has 2 divisors, whose sum is σ = 112021122002222. Its totient is φ = 112021122002220.

The previous prime is 112021122002081. The next prime is 112021122002233. The reversal of 112021122002221 is 122200221120211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112003169754025 + 17952248196 = 10583155^2 + 133986^2 .

It is a cyclic number.

It is not a de Polignac number, because 112021122002221 - 2²⁹ = 112020585131309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112021122002281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56010561001110 + 56010561001111.

It is an arithmetic number, because the mean of its divisors is an integer number (56010561001111).

Almost surely, 2^{112021122002221} is an apocalyptic number.

It is an amenable number.

112021122002221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112021122002221 is an equidigital number, since it uses as much as digits as its factorization.

112021122002221 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 112021122002221 its reverse (122200221120211), we get a palindrome (234221343122432).

The spelling of 112021122002221 in words is "one hundred twelve trillion, twenty-one billion, one hundred twenty-two million, two thousand, two hundred twenty-one".