121011121002004 has 24 divisors (see below), whose sum is σ = 230286664296360. Its totient is φ = 55407317723136.

The previous prime is 121011121001977. The next prime is 121011121002019. The reversal of 121011121002004 is 400200121110121.

It can be written as a sum of positive squares in 4 ways, for example, as 71370359817604 + 49640761184400 = 8448098^2 + 7045620^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24048312469 + ... + 24048317500.

It is an arithmetic number, because the mean of its divisors is an integer number (9595277679015).

Almost surely, 2^{121011121002004} is an apocalyptic number.

It is an amenable number.

121011121002004 is a deficient number, since it is larger than the sum of its proper divisors (109275543294356).

121011121002004 is a wasteful number, since it uses less digits than its factorization.

121011121002004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48096630027 (or 48096630025 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121011121002004 its reverse (400200121110121), we get a palindrome (521211242112125).

The spelling of 121011121002004 in words is "one hundred twenty-one trillion, eleven billion, one hundred twenty-one million, two thousand, four".