1013130030221 has 2 divisors, whose sum is σ = 1013130030222. Its totient is φ = 1013130030220.

The previous prime is 1013130030217. The next prime is 1013130030257. The reversal of 1013130030221 is 1220300313101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 982306960996 + 30823069225 = 991114^2 + 175565^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013130030221 - 2² = 1013130030217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1013130030221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013130030421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506565015110 + 506565015111.

It is an arithmetic number, because the mean of its divisors is an integer number (506565015111).

Almost surely, 2^{1013130030221} is an apocalyptic number.

It is an amenable number.

1013130030221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013130030221 is an equidigital number, since it uses as much as digits as its factorization.

1013130030221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1013130030221 its reverse (1220300313101), we get a palindrome (2233430343322).

The spelling of 1013130030221 in words is "one trillion, thirteen billion, one hundred thirty million, thirty thousand, two hundred twenty-one".