1000001122229 has 2 divisors, whose sum is σ = 1000001122230. Its totient is φ = 1000001122228.

The previous prime is 1000001122201. The next prime is 1000001122273. The reversal of 1000001122229 is 9222211000001.

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., 976045202500 + 23955919729 = 987950^2 + 154777^2 .

It is an emirp because it is prime and its reverse (9222211000001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000001122229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000001122229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000001122529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000561114 + 500000561115.

It is an arithmetic number, because the mean of its divisors is an integer number (500000561115).

Almost surely, 2^{1000001122229} is an apocalyptic number.

It is an amenable number.

1000001122229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000001122229 is an equidigital number, since it uses as much as digits as its factorization.

1000001122229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 1000001122229 in words is "one trillion, one million, one hundred twenty-two thousand, two hundred twenty-nine".