121103434041 has 4 divisors (see below), whose sum is σ = 161471245392. Its totient is φ = 80735622692.

The previous prime is 121103434037. The next prime is 121103434057. The reversal of 121103434041 is 140434301121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121103434041 - 2² = 121103434037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121103432041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20183905671 + ... + 20183905676.

It is an arithmetic number, because the mean of its divisors is an integer number (40367811348).

Almost surely, 2^121103434041 is an apocalyptic number.

It is an amenable number.

121103434041 is a deficient number, since it is larger than the sum of its proper divisors (40367811351).

121103434041 is an equidigital number, since it uses as much as digits as its factorization.

121103434041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40367811350.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 121103434041 its reverse (140434301121), we get a palindrome (261537735162).

The spelling of 121103434041 in words is "one hundred twenty-one billion, one hundred three million, four hundred thirty-four thousand, forty-one".