1010200130021 has 2 divisors, whose sum is σ = 1010200130022. Its totient is φ = 1010200130020.

The previous prime is 1010200129993. The next prime is 1010200130063. The reversal of 1010200130021 is 1200310020101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 802117272100 + 208082857921 = 895610^2 + 456161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010200130021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010200129984 and 1010200130011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010200130521) 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, 505100065010 + 505100065011.

It is an arithmetic number, because the mean of its divisors is an integer number (505100065011).

Almost surely, 2^{1010200130021} is an apocalyptic number.

It is an amenable number.

1010200130021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010200130021 is an equidigital number, since it uses as much as digits as its factorization.

1010200130021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1010200130021 its reverse (1200310020101), we get a palindrome (2210510150122).

The spelling of 1010200130021 in words is "one trillion, ten billion, two hundred million, one hundred thirty thousand, twenty-one".