210120122211049 has 2 divisors, whose sum is σ = 210120122211050. Its totient is φ = 210120122211048.

The previous prime is 210120122211007. The next prime is 210120122211053. The reversal of 210120122211049 is 940112221021012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192970021563225 + 17150100647824 = 13891365^2 + 4141268^2 .

It is a cyclic number.

It is not a de Polignac number, because 210120122211049 - 2¹³ = 210120122202857 is a prime.

It is not a weakly prime, because it can be changed into another prime (210120122211149) 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, 105060061105524 + 105060061105525.

It is an arithmetic number, because the mean of its divisors is an integer number (105060061105525).

Almost surely, 2^{210120122211049} is an apocalyptic number.

It is an amenable number.

210120122211049 is a deficient number, since it is larger than the sum of its proper divisors (1).

210120122211049 is an equidigital number, since it uses as much as digits as its factorization.

210120122211049 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 28.

The spelling of 210120122211049 in words is "two hundred ten trillion, one hundred twenty billion, one hundred twenty-two million, two hundred eleven thousand, forty-nine".