1300021133357 has 2 divisors, whose sum is σ = 1300021133358. Its totient is φ = 1300021133356.

The previous prime is 1300021133221. The next prime is 1300021133371. The reversal of 1300021133357 is 7533311200031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 828280189801 + 471740943556 = 910099^2 + 686834^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300021133357 - 2²⁴ = 1300004356141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1300021133387) 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, 650010566678 + 650010566679.

It is an arithmetic number, because the mean of its divisors is an integer number (650010566679).

Almost surely, 2^{1300021133357} is an apocalyptic number.

It is an amenable number.

1300021133357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300021133357 is an equidigital number, since it uses as much as digits as its factorization.

1300021133357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 29.

Adding to 1300021133357 its reverse (7533311200031), we get a palindrome (8833332333388).

The spelling of 1300021133357 in words is "one trillion, three hundred billion, twenty-one million, one hundred thirty-three thousand, three hundred fifty-seven".