100011103121 has 8 divisors (see below), whose sum is σ = 100743216000. Its totient is φ = 99279170640.

The previous prime is 100011103079. The next prime is 100011103123. The reversal of 100011103121 is 121301110001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 100011103121 - 2⁶ = 100011103057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100011103123) 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, 1191080 + ... + 1272278.

It is an arithmetic number, because the mean of its divisors is an integer number (12592902000).

Almost surely, 2^100011103121 is an apocalyptic number.

It is an amenable number.

100011103121 is a deficient number, since it is larger than the sum of its proper divisors (732112879).

100011103121 is an equidigital number, since it uses as much as digits as its factorization.

100011103121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90199.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 100011103121 its reverse (121301110001), we get a palindrome (221312213122).

The spelling of 100011103121 in words is "one hundred billion, eleven million, one hundred three thousand, one hundred twenty-one".