121104403420 has 96 divisors (see below), whose sum is σ = 341463661056. Its totient is φ = 34843219200.

The previous prime is 121104403397. The next prime is 121104403493. The reversal of 121104403420 is 24304401121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 121104403391 and 121104403400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3004566 + ... + 3044605.

It is an arithmetic number, because the mean of its divisors is an integer number (3556913136).

Almost surely, 2^121104403420 is an apocalyptic number.

121104403420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121104403420 is an abundant number, since it is smaller than the sum of its proper divisors (220359257636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121104403420 is a wasteful number, since it uses less digits than its factorization.

121104403420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6049211 (or 6049209 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 121104403420 its reverse (24304401121), we get a palindrome (145408804541).

The spelling of 121104403420 in words is "one hundred twenty-one billion, one hundred four million, four hundred three thousand, four hundred twenty".