121032120440041 has 4 divisors (see below), whose sum is σ = 128151656936532. Its totient is φ = 113912583943552.

The previous prime is 121032120440029. The next prime is 121032120440089. The reversal of 121032120440041 is 140044021230121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90572527641600 + 30459592798441 = 9516960^2 + 5519021^2 .

It is a cyclic number.

It is not a de Polignac number, because 121032120440041 - 2⁵ = 121032120440009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121032120439988 and 121032120440015.

It is not an unprimeable number, because it can be changed into a prime (121032120443041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3559768248220 + ... + 3559768248253.

It is an arithmetic number, because the mean of its divisors is an integer number (32037914234133).

Almost surely, 2^{121032120440041} is an apocalyptic number.

It is an amenable number.

121032120440041 is a deficient number, since it is larger than the sum of its proper divisors (7119536496491).

121032120440041 is an equidigital number, since it uses as much as digits as its factorization.

121032120440041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7119536496490.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 121032120440041 its reverse (140044021230121), we get a palindrome (261076141670162).

The spelling of 121032120440041 in words is "one hundred twenty-one trillion, thirty-two billion, one hundred twenty million, four hundred forty thousand, forty-one".