1001021012207 has 2 divisors, whose sum is σ = 1001021012208. Its totient is φ = 1001021012206.

The previous prime is 1001021012141. The next prime is 1001021012219. The reversal of 1001021012207 is 7022101201001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001021012207 - 2⁸ = 1001021011951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001021012807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500510506103 + 500510506104.

It is an arithmetic number, because the mean of its divisors is an integer number (500510506104).

Almost surely, 2^{1001021012207} is an apocalyptic number.

1001021012207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001021012207 is an equidigital number, since it uses as much as digits as its factorization.

1001021012207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 1001021012207 its reverse (7022101201001), we get a palindrome (8023122213208).

The spelling of 1001021012207 in words is "one trillion, one billion, twenty-one million, twelve thousand, two hundred seven".