121404344035 has 16 divisors (see below), whose sum is σ = 157088687616. Its totient is φ = 89539913088.

The previous prime is 121404344029. The next prime is 121404344081. The reversal of 121404344035 is 530443404121.

It is a cyclic number.

It is not a de Polignac number, because 121404344035 - 2³ = 121404344027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121404343988 and 121404344006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1119939 + ... + 1223548.

It is an arithmetic number, because the mean of its divisors is an integer number (9818042976).

Almost surely, 2^121404344035 is an apocalyptic number.

121404344035 is a deficient number, since it is larger than the sum of its proper divisors (35684343581).

121404344035 is a wasteful number, since it uses less digits than its factorization.

121404344035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344302.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 121404344035 its reverse (530443404121), we get a palindrome (651847748156).

The spelling of 121404344035 in words is "one hundred twenty-one billion, four hundred four million, three hundred forty-four thousand, thirty-five".