1020130003021 has 2 divisors, whose sum is σ = 1020130003022. Its totient is φ = 1020130003020.

The previous prime is 1020130002973. The next prime is 1020130003049. The reversal of 1020130003021 is 1203000310201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 865886080900 + 154243922121 = 930530^2 + 392739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020130003021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020130002992 and 1020130003010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020130003091) 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, 510065001510 + 510065001511.

It is an arithmetic number, because the mean of its divisors is an integer number (510065001511).

Almost surely, 2^{1020130003021} is an apocalyptic number.

It is an amenable number.

1020130003021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020130003021 is an equidigital number, since it uses as much as digits as its factorization.

1020130003021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1020130003021 its reverse (1203000310201), we get a palindrome (2223130313222).

The spelling of 1020130003021 in words is "one trillion, twenty billion, one hundred thirty million, three thousand, twenty-one".