100312011121 has 8 divisors (see below), whose sum is σ = 114678363584. Its totient is φ = 85954674960.

The previous prime is 100312011119. The next prime is 100312011187. The reversal of 100312011121 is 121110213001.

It is a happy number.

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

It is not a de Polignac number, because 100312011121 - 2¹ = 100312011119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100312015121) 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, 2230215 + ... + 2274748.

It is an arithmetic number, because the mean of its divisors is an integer number (14334795448).

Almost surely, 2^100312011121 is an apocalyptic number.

It is an amenable number.

100312011121 is a deficient number, since it is larger than the sum of its proper divisors (14366352463).

100312011121 is an equidigital number, since it uses as much as digits as its factorization.

100312011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508151.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 100312011121 its reverse (121110213001), we get a palindrome (221422224122).

The spelling of 100312011121 in words is "one hundred billion, three hundred twelve million, eleven thousand, one hundred twenty-one".