100090909906 has 32 divisors (see below), whose sum is σ = 162756276480. Its totient is φ = 45890095104.

The previous prime is 100090909889. The next prime is 100090909949. The reversal of 100090909906 is 609909090001.

It is a super-2 number, since 2×100090909906² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11391591 + ... + 11400373.

It is an arithmetic number, because the mean of its divisors is an integer number (5086133640).

Almost surely, 2^100090909906 is an apocalyptic number.

100090909906 is a deficient number, since it is larger than the sum of its proper divisors (62665366574).

100090909906 is a wasteful number, since it uses less digits than its factorization.

100090909906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11650.

The product of its (nonzero) digits is 39366, while the sum is 43.

Adding to 100090909906 its reverse (609909090001), we get a palindrome (709999999907).

The spelling of 100090909906 in words is "one hundred billion, ninety million, nine hundred nine thousand, nine hundred six".