100100722218 has 48 divisors (see below), whose sum is σ = 240918014880. Its totient is φ = 27613989984.

The previous prime is 100100722213. The next prime is 100100722229. The reversal of 100100722218 is 812227001001.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100100722213) 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, 5861796 + ... + 5878847.

It is an arithmetic number, because the mean of its divisors is an integer number (5019125310).

Almost surely, 2^100100722218 is an apocalyptic number.

100100722218 is an abundant number, since it is smaller than the sum of its proper divisors (140817292662).

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

100100722218 is a wasteful number, since it uses less digits than its factorization.

100100722218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11740691 (or 11740684 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

Adding to 100100722218 its reverse (812227001001), we get a palindrome (912327723219).

The spelling of 100100722218 in words is "one hundred billion, one hundred million, seven hundred twenty-two thousand, two hundred eighteen".