100355123213 has 4 divisors (see below), whose sum is σ = 100362353280. Its totient is φ = 100347893148.

The previous prime is 100355123201. The next prime is 100355123227. The reversal of 100355123213 is 312321553001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100355123213 - 2¹⁸ = 100354861069 is a prime.

It is a super-2 number, since 2×100355123213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100355123243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3594173 + ... + 3621986.

It is an arithmetic number, because the mean of its divisors is an integer number (25090588320).

Almost surely, 2^100355123213 is an apocalyptic number.

It is an amenable number.

100355123213 is a deficient number, since it is larger than the sum of its proper divisors (7230067).

100355123213 is an equidigital number, since it uses as much as digits as its factorization.

100355123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7230066.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 100355123213 its reverse (312321553001), we get a palindrome (412676676214).

The spelling of 100355123213 in words is "one hundred billion, three hundred fifty-five million, one hundred twenty-three thousand, two hundred thirteen".