100033331221331 has 8 divisors (see below), whose sum is σ = 103267757712384. Its totient is φ = 96799376282760.

The previous prime is 100033331221289. The next prime is 100033331221379. The reversal of 100033331221331 is 133122133330001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100033331221331 - 2³⁴ = 100016151352147 is a prime.

It is a super-2 number, since 2×100033331221331² (a number of 29 digits) contains 22 as substring.

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 100033331221331.

It is not an unprimeable number, because it can be changed into a prime (100033331227331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117456965 + ... + 118305558.

It is an arithmetic number, because the mean of its divisors is an integer number (12908469714048).

Almost surely, 2^{100033331221331} is an apocalyptic number.

100033331221331 is a deficient number, since it is larger than the sum of its proper divisors (3234426491053).

100033331221331 is a wasteful number, since it uses less digits than its factorization.

100033331221331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235776241.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 100033331221331 its reverse (133122133330001), we get a palindrome (233155464551332).

The spelling of 100033331221331 in words is "one hundred trillion, thirty-three billion, three hundred thirty-one million, two hundred twenty-one thousand, three hundred thirty-one".