100121321230113 has 16 divisors (see below), whose sum is σ = 134036921574720. Its totient is φ = 66476720971776.

The previous prime is 100121321230097. The next prime is 100121321230171. The reversal of 100121321230113 is 311032123121001.

It is not a de Polignac number, because 100121321230113 - 2⁴ = 100121321230097 is a prime.

It is a super-2 number, since 2×100121321230113² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100121321230113.

It is not an unprimeable number, because it can be changed into a prime (100121321234113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6229108 + ... + 15461061.

It is an arithmetic number, because the mean of its divisors is an integer number (8377307598420).

Almost surely, 2^{100121321230113} is an apocalyptic number.

It is an amenable number.

100121321230113 is a deficient number, since it is larger than the sum of its proper divisors (33915600344607).

100121321230113 is a wasteful number, since it uses less digits than its factorization.

100121321230113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21696416.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 100121321230113 its reverse (311032123121001), we get a palindrome (411153444351114).

The spelling of 100121321230113 in words is "one hundred trillion, one hundred twenty-one billion, three hundred twenty-one million, two hundred thirty thousand, one hundred thirteen".