100311121 has 8 divisors (see below), whose sum is σ = 101232000. Its totient is φ = 99393840.

The previous prime is 100311103. The next prime is 100311149. The reversal of 100311121 is 121113001.

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 100311121 - 2²⁵ = 66756689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100311098 and 100311107.

It is not an unprimeable number, because it can be changed into a prime (100311221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109656 + ... + 110566.

It is an arithmetic number, because the mean of its divisors is an integer number (12654000).

Almost surely, 2^100311121 is an apocalyptic number.

It is an amenable number.

100311121 is a deficient number, since it is larger than the sum of its proper divisors (920879).

100311121 is an equidigital number, since it uses as much as digits as its factorization.

100311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 100311121 is about 10015.5439692510. The cubic root of 100311121 is about 464.6397502661.

Adding to 100311121 its reverse (121113001), we get a palindrome (221424122).

The spelling of 100311121 in words is "one hundred million, three hundred eleven thousand, one hundred twenty-one".