100353201233221 has 4 divisors (see below), whose sum is σ = 100354006482912. Its totient is φ = 100352395983532.

The previous prime is 100353201233177. The next prime is 100353201233237. The reversal of 100353201233221 is 122332102353001.

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 100353201233221 - 2²⁷ = 100353067015493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100353201233221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100353201233281) 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, 402437881 + ... + 402687166.

It is an arithmetic number, because the mean of its divisors is an integer number (25088501620728).

Almost surely, 2^{100353201233221} is an apocalyptic number.

It is an amenable number.

100353201233221 is a deficient number, since it is larger than the sum of its proper divisors (805249691).

100353201233221 is an equidigital number, since it uses as much as digits as its factorization.

100353201233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805249690.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 100353201233221 its reverse (122332102353001), we get a palindrome (222685303586222).

The spelling of 100353201233221 in words is "one hundred trillion, three hundred fifty-three billion, two hundred one million, two hundred thirty-three thousand, two hundred twenty-one".