100135333321 has 2 divisors, whose sum is σ = 100135333322. Its totient is φ = 100135333320.

The previous prime is 100135333313. The next prime is 100135333327. The reversal of 100135333321 is 123333531001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99881281600 + 254051721 = 316040^2 + 15939^2 .

It is a cyclic number.

It is not a de Polignac number, because 100135333321 - 2³ = 100135333313 is a prime.

It is not a weakly prime, because it can be changed into another prime (100135333327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50067666660 + 50067666661.

It is an arithmetic number, because the mean of its divisors is an integer number (50067666661).

Almost surely, 2^100135333321 is an apocalyptic number.

It is an amenable number.

100135333321 is a deficient number, since it is larger than the sum of its proper divisors (1).

100135333321 is an equidigital number, since it uses as much as digits as its factorization.

100135333321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 25.

Adding to 100135333321 its reverse (123333531001), we get a palindrome (223468864322).

The spelling of 100135333321 in words is "one hundred billion, one hundred thirty-five million, three hundred thirty-three thousand, three hundred twenty-one".