100312002221533 has 2 divisors, whose sum is σ = 100312002221534. Its totient is φ = 100312002221532.

The previous prime is 100312002221513. The next prime is 100312002221693. The reversal of 100312002221533 is 335122200213001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78055846746084 + 22256155475449 = 8834922^2 + 4717643^2 .

It is a cyclic number.

It is not a de Polignac number, because 100312002221533 - 2⁹ = 100312002221021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100312002221498 and 100312002221507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100312002221513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50156001110766 + 50156001110767.

It is an arithmetic number, because the mean of its divisors is an integer number (50156001110767).

Almost surely, 2^{100312002221533} is an apocalyptic number.

It is an amenable number.

100312002221533 is a deficient number, since it is larger than the sum of its proper divisors (1).

100312002221533 is an equidigital number, since it uses as much as digits as its factorization.

100312002221533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 100312002221533 its reverse (335122200213001), we get a palindrome (435434202434534).

The spelling of 100312002221533 in words is "one hundred trillion, three hundred twelve billion, two million, two hundred twenty-one thousand, five hundred thirty-three".