1000022011129 has 2 divisors, whose sum is σ = 1000022011130. Its totient is φ = 1000022011128.

The previous prime is 1000022011117. The next prime is 1000022011211. The reversal of 1000022011129 is 9211102200001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 715775221225 + 284246789904 = 846035^2 + 533148^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000022011129 - 2²⁹ = 999485140217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000022071129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500011005564 + 500011005565.

It is an arithmetic number, because the mean of its divisors is an integer number (500011005565).

Almost surely, 2^{1000022011129} is an apocalyptic number.

It is an amenable number.

1000022011129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000022011129 is an equidigital number, since it uses as much as digits as its factorization.

1000022011129 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 1000022011129 in words is "one trillion, twenty-two million, eleven thousand, one hundred twenty-nine".