104012621121 has 16 divisors (see below), whose sum is σ = 139395084608. Its totient is φ = 68986209600.

The previous prime is 104012621093. The next prime is 104012621129. The reversal of 104012621121 is 121126210401.

It is not a de Polignac number, because 104012621121 - 2⁶ = 104012621057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104012621129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1663851 + ... + 1725231.

It is an arithmetic number, because the mean of its divisors is an integer number (8712192788).

Almost surely, 2^104012621121 is an apocalyptic number.

It is an amenable number.

104012621121 is a deficient number, since it is larger than the sum of its proper divisors (35382463487).

104012621121 is a wasteful number, since it uses less digits than its factorization.

104012621121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64272.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 104012621121 its reverse (121126210401), we get a palindrome (225138831522).

The spelling of 104012621121 in words is "one hundred four billion, twelve million, six hundred twenty-one thousand, one hundred twenty-one".