100121321113 has 8 divisors (see below), whose sum is σ = 111013805376. Its totient is φ = 89527261200.

The previous prime is 100121321107. The next prime is 100121321149. The reversal of 100121321113 is 311123121001.

It is a happy number.

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 100121321113 - 2⁹ = 100121320601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100121321173) 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, 74605381 + ... + 74606722.

It is an arithmetic number, because the mean of its divisors is an integer number (13876725672).

Almost surely, 2^100121321113 is an apocalyptic number.

It is an amenable number.

100121321113 is a deficient number, since it is larger than the sum of its proper divisors (10892484263).

100121321113 is a wasteful number, since it uses less digits than its factorization.

100121321113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149212175.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 100121321113 its reverse (311123121001), we get a palindrome (411244442114).

The spelling of 100121321113 in words is "one hundred billion, one hundred twenty-one million, three hundred twenty-one thousand, one hundred thirteen".