1001021031229 has 2 divisors, whose sum is σ = 1001021031230. Its totient is φ = 1001021031228.

The previous prime is 1001021031193. The next prime is 1001021031239. The reversal of 1001021031229 is 9221301201001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 979793124025 + 21227907204 = 989845^2 + 145698^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001021031229 - 2⁹ = 1001021030717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001021031239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500510515614 + 500510515615.

It is an arithmetic number, because the mean of its divisors is an integer number (500510515615).

Almost surely, 2^{1001021031229} is an apocalyptic number.

It is an amenable number.

1001021031229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001021031229 is an equidigital number, since it uses as much as digits as its factorization.

1001021031229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 1001021031229 in words is "one trillion, one billion, twenty-one million, thirty-one thousand, two hundred twenty-nine".