121004011 has 6 divisors (see below), whose sum is σ = 128540900. Its totient is φ = 113885856.

The previous prime is 121003999. The next prime is 121004041. The reversal of 121004011 is 110400121.

It is not a de Polignac number, because 121004011 - 2⁹ = 121003499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121004041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209061 + ... + 209638.

Almost surely, 2^121004011 is an apocalyptic number.

121004011 is a deficient number, since it is larger than the sum of its proper divisors (7536889).

121004011 is an equidigital number, since it uses as much as digits as its factorization.

121004011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418733 (or 418716 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 121004011 is about 11000.1823166709. The cubic root of 121004011 is about 494.6142094867.

Adding to 121004011 its reverse (110400121), we get a palindrome (231404132).

The spelling of 121004011 in words is "one hundred twenty-one million, four thousand, eleven".