100121011118 has 8 divisors (see below), whose sum is σ = 150183991512. Its totient is φ = 50059680616.

The previous prime is 100121011117. The next prime is 100121011129. The reversal of 100121011118 is 811110121001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100121011096 and 100121011105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121011117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247580 + ... + 511407.

It is an arithmetic number, because the mean of its divisors is an integer number (18772998939).

Almost surely, 2^100121011118 is an apocalyptic number.

100121011118 is a deficient number, since it is larger than the sum of its proper divisors (50062980394).

100121011118 is an equidigital number, since it uses as much as digits as its factorization.

100121011118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824946.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 100121011118 its reverse (811110121001), we get a palindrome (911231132119).

The spelling of 100121011118 in words is "one hundred billion, one hundred twenty-one million, eleven thousand, one hundred eighteen".