100121143304 has 64 divisors (see below), whose sum is σ = 231531955200. Its totient is φ = 39525537024.

The previous prime is 100121143273. The next prime is 100121143307. The reversal of 100121143304 is 403341121001.

It is not an unprimeable number, because it can be changed into a prime (100121143307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205154 + ... + 492270.

It is an arithmetic number, because the mean of its divisors is an integer number (3617686800).

Almost surely, 2^100121143304 is an apocalyptic number.

100121143304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100121143304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115765977600).

100121143304 is an abundant number, since it is smaller than the sum of its proper divisors (131410811896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100121143304 is a wasteful number, since it uses less digits than its factorization.

100121143304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287622 (or 287618 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 100121143304 its reverse (403341121001), we get a palindrome (503462264305).

The spelling of 100121143304 in words is "one hundred billion, one hundred twenty-one million, one hundred forty-three thousand, three hundred four".