104240121201 has 24 divisors (see below), whose sum is σ = 154715346240. Its totient is φ = 67581612576.

The previous prime is 104240121157. The next prime is 104240121247. The reversal of 104240121201 is 102121042401.

104240121201 is a `hidden beast` number, since 1 + 0 + 42 + 401 + 21 + 201 = 666.

It is not a de Polignac number, because 104240121201 - 2¹⁸ = 104239859057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104240122201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 602226 + ... + 755748.

It is an arithmetic number, because the mean of its divisors is an integer number (6446472760).

Almost surely, 2^104240121201 is an apocalyptic number.

It is an amenable number.

104240121201 is a deficient number, since it is larger than the sum of its proper divisors (50475225039).

104240121201 is a wasteful number, since it uses less digits than its factorization.

104240121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155605 (or 155602 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 104240121201 its reverse (102121042401), we get a palindrome (206361163602).

The spelling of 104240121201 in words is "one hundred four billion, two hundred forty million, one hundred twenty-one thousand, two hundred one".