100111121210908 has 24 divisors (see below), whose sum is σ = 179333540916992. Its totient is φ = 48873808078704.

The previous prime is 100111121210857. The next prime is 100111121210909. The reversal of 100111121210908 is 809012121111001.

It is a super-3 number, since 3×100111121210908³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111121210909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104699610 + ... + 105651457.

Almost surely, 2^{100111121210908} is an apocalyptic number.

It is an amenable number.

100111121210908 is a deficient number, since it is larger than the sum of its proper divisors (79222419706084).

100111121210908 is a wasteful number, since it uses less digits than its factorization.

100111121210908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210353881 (or 210353879 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 28.

Adding to 100111121210908 its reverse (809012121111001), we get a palindrome (909123242321909).

The spelling of 100111121210908 in words is "one hundred trillion, one hundred eleven billion, one hundred twenty-one million, two hundred ten thousand, nine hundred eight".