1002021001147 has 2 divisors, whose sum is σ = 1002021001148. Its totient is φ = 1002021001146.

The previous prime is 1002021001087. The next prime is 1002021001199. The reversal of 1002021001147 is 7411001202001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002021001147 - 2²⁷ = 1001886783419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002021007147) 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, 501010500573 + 501010500574.

It is an arithmetic number, because the mean of its divisors is an integer number (501010500574).

Almost surely, 2^{1002021001147} is an apocalyptic number.

1002021001147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002021001147 is an equidigital number, since it uses as much as digits as its factorization.

1002021001147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 1002021001147 its reverse (7411001202001), we get a palindrome (8413022203148).

The spelling of 1002021001147 in words is "one trillion, two billion, twenty-one million, one thousand, one hundred forty-seven".