1000122223049 has 2 divisors, whose sum is σ = 1000122223050. Its totient is φ = 1000122223048.

The previous prime is 1000122223033. The next prime is 1000122223069. The reversal of 1000122223049 is 9403222210001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 542513268025 + 457608955024 = 736555^2 + 676468^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000122223049 - 2⁴ = 1000122223033 is a prime.

It is a super-2 number, since 2×1000122223049² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1000122223069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500061111524 + 500061111525.

It is an arithmetic number, because the mean of its divisors is an integer number (500061111525).

Almost surely, 2^{1000122223049} is an apocalyptic number.

It is an amenable number.

1000122223049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000122223049 is an equidigital number, since it uses as much as digits as its factorization.

1000122223049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 1000122223049 in words is "one trillion, one hundred twenty-two million, two hundred twenty-three thousand, forty-nine".