221133303049 has 2 divisors, whose sum is σ = 221133303050. Its totient is φ = 221133303048.

The previous prime is 221133302993. The next prime is 221133303059. The reversal of 221133303049 is 940303331122.

221133303049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150187251600 + 70946051449 = 387540^2 + 266357^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221133303049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221133303049.

It is not a weakly prime, because it can be changed into another prime (221133303059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110566651524 + 110566651525.

It is an arithmetic number, because the mean of its divisors is an integer number (110566651525).

Almost surely, 2^221133303049 is an apocalyptic number.

It is an amenable number.

221133303049 is a deficient number, since it is larger than the sum of its proper divisors (1).

221133303049 is an equidigital number, since it uses as much as digits as its factorization.

221133303049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 221133303049 in words is "two hundred twenty-one billion, one hundred thirty-three million, three hundred three thousand, forty-nine".