1010000133281 has 2 divisors, whose sum is σ = 1010000133282. Its totient is φ = 1010000133280.

The previous prime is 1010000133257. The next prime is 1010000133343. The reversal of 1010000133281 is 1823310000101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 695597700625 + 314402432656 = 834025^2 + 560716^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010000133281 - 2²² = 1009995938977 is a prime.

It is a super-2 number, since 2×1010000133281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1010000133221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505000066640 + 505000066641.

It is an arithmetic number, because the mean of its divisors is an integer number (505000066641).

Almost surely, 2^{1010000133281} is an apocalyptic number.

It is an amenable number.

1010000133281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010000133281 is an equidigital number, since it uses as much as digits as its factorization.

1010000133281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1010000133281 its reverse (1823310000101), we get a palindrome (2833310133382).

The spelling of 1010000133281 in words is "one trillion, ten billion, one hundred thirty-three thousand, two hundred eighty-one".