1000122220049 has 2 divisors, whose sum is σ = 1000122220050. Its totient is φ = 1000122220048.

The previous prime is 1000122220003. The next prime is 1000122220057. The reversal of 1000122220049 is 9400222210001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 996672772225 + 3449447824 = 998335^2 + 58732^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000122220049 - 2²⁰ = 1000121171473 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000122223049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500061110024 + 500061110025.

It is an arithmetic number, because the mean of its divisors is an integer number (500061110025).

Almost surely, 2^{1000122220049} is an apocalyptic number.

It is an amenable number.

1000122220049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000122220049 is an equidigital number, since it uses as much as digits as its factorization.

1000122220049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 1000122220049 in words is "one trillion, one hundred twenty-two million, two hundred twenty thousand, forty-nine".