100243220331204 has 72 divisors (see below), whose sum is σ = 265095719336448. Its totient is φ = 31905816516480.

The previous prime is 100243220331187. The next prime is 100243220331209. The reversal of 100243220331204 is 402133022342001.

100243220331204 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 4 + 322 + 0 + 331 + 2 + 0 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (100243220331209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 722435532 + ... + 722574275.

It is an arithmetic number, because the mean of its divisors is an integer number (3681884990784).

Almost surely, 2^{100243220331204} is an apocalyptic number.

It is an amenable number.

100243220331204 is an abundant number, since it is smaller than the sum of its proper divisors (164852499005244).

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

100243220331204 is a wasteful number, since it uses less digits than its factorization.

100243220331204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445009905 (or 1445009900 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 100243220331204 its reverse (402133022342001), we get a palindrome (502376242673205).

The spelling of 100243220331204 in words is "one hundred trillion, two hundred forty-three billion, two hundred twenty million, three hundred thirty-one thousand, two hundred four".