210220001221049 has 2 divisors, whose sum is σ = 210220001221050. Its totient is φ = 210220001221048.

The previous prime is 210220001220959. The next prime is 210220001221129. The reversal of 210220001221049 is 940122100022012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204189381565225 + 6030619655824 = 14289485^2 + 2455732^2 .

It is a cyclic number.

It is not a de Polignac number, because 210220001221049 - 2¹⁶ = 210220001155513 is a prime.

It is not a weakly prime, because it can be changed into another prime (210220001241049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105110000610524 + 105110000610525.

It is an arithmetic number, because the mean of its divisors is an integer number (105110000610525).

Almost surely, 2^{210220001221049} is an apocalyptic number.

It is an amenable number.

210220001221049 is a deficient number, since it is larger than the sum of its proper divisors (1).

210220001221049 is an equidigital number, since it uses as much as digits as its factorization.

210220001221049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 210220001221049 in words is "two hundred ten trillion, two hundred twenty billion, one million, two hundred twenty-one thousand, forty-nine".