221112833885833 has 2 divisors, whose sum is σ = 221112833885834. Its totient is φ = 221112833885832.

The previous prime is 221112833885819. The next prime is 221112833885863. The reversal of 221112833885833 is 338588338211122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219444285577104 + 1668548308729 = 14813652^2 + 1291723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221112833885833 is a prime.

It is not a weakly prime, because it can be changed into another prime (221112833885863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110556416942916 + 110556416942917.

It is an arithmetic number, because the mean of its divisors is an integer number (110556416942917).

Almost surely, 2^{221112833885833} is an apocalyptic number.

It is an amenable number.

221112833885833 is a deficient number, since it is larger than the sum of its proper divisors (1).

221112833885833 is an equidigital number, since it uses as much as digits as its factorization.

221112833885833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13271040, while the sum is 58.

The spelling of 221112833885833 in words is "two hundred twenty-one trillion, one hundred twelve billion, eight hundred thirty-three million, eight hundred eighty-five thousand, eight hundred thirty-three".