100522221608 has 16 divisors (see below), whose sum is σ = 189426300000. Its totient is φ = 50008541616.

The previous prime is 100522221607. The next prime is 100522221643. The reversal of 100522221608 is 806122225001.

It is not an unprimeable number, because it can be changed into a prime (100522221607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31569458 + ... + 31572641.

It is an arithmetic number, because the mean of its divisors is an integer number (11839143750).

Almost surely, 2^100522221608 is an apocalyptic number.

It is an amenable number.

100522221608 is a deficient number, since it is larger than the sum of its proper divisors (88904078392).

100522221608 is a wasteful number, since it uses less digits than its factorization.

100522221608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63142304 (or 63142300 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 100522221608 its reverse (806122225001), we get a palindrome (906644446609).

The spelling of 100522221608 in words is "one hundred billion, five hundred twenty-two million, two hundred twenty-one thousand, six hundred eight".