1002021021007 has 2 divisors, whose sum is σ = 1002021021008. Its totient is φ = 1002021021006.

The previous prime is 1002021020989. The next prime is 1002021021031. The reversal of 1002021021007 is 7001201202001.

It is a weak prime.

It is an emirp because it is prime and its reverse (7001201202001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002021021007 - 2⁷ = 1002021020879 is a prime.

It is a super-2 number, since 2×1002021021007² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002021021707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501010510503 + 501010510504.

It is an arithmetic number, because the mean of its divisors is an integer number (501010510504).

Almost surely, 2^{1002021021007} is an apocalyptic number.

1002021021007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002021021007 is an equidigital number, since it uses as much as digits as its factorization.

1002021021007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 1002021021007 its reverse (7001201202001), we get a palindrome (8003222223008).

The spelling of 1002021021007 in words is "one trillion, two billion, twenty-one million, twenty-one thousand, seven".