1010022011209 has 2 divisors, whose sum is σ = 1010022011210. Its totient is φ = 1010022011208.

The previous prime is 1010022011189. The next prime is 1010022011227. The reversal of 1010022011209 is 9021102200101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 981773814025 + 28248197184 = 990845^2 + 168072^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010022011209 - 2²³ = 1010013622601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010022011809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505011005604 + 505011005605.

It is an arithmetic number, because the mean of its divisors is an integer number (505011005605).

Almost surely, 2^{1010022011209} is an apocalyptic number.

It is an amenable number.

1010022011209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010022011209 is an equidigital number, since it uses as much as digits as its factorization.

1010022011209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 1010022011209 in words is "one trillion, ten billion, twenty-two million, eleven thousand, two hundred nine".