121041013402445 has 4 divisors (see below), whose sum is σ = 145249216082940. Its totient is φ = 96832810721952.

The previous prime is 121041013402429. The next prime is 121041013402531. The reversal of 121041013402445 is 544204310140121.

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 79721790834436 + 41319222568009 = 8928706^2 + 6428003^2 .

It is a cyclic number.

It is not a de Polignac number, because 121041013402445 - 2⁴ = 121041013402429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12104101340240 + ... + 12104101340249.

It is an arithmetic number, because the mean of its divisors is an integer number (36312304020735).

Almost surely, 2^{121041013402445} is an apocalyptic number.

It is an amenable number.

121041013402445 is a deficient number, since it is larger than the sum of its proper divisors (24208202680495).

121041013402445 is an equidigital number, since it uses as much as digits as its factorization.

121041013402445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24208202680494.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 121041013402445 its reverse (544204310140121), we get a palindrome (665245323542566).

The spelling of 121041013402445 in words is "one hundred twenty-one trillion, forty-one billion, thirteen million, four hundred two thousand, four hundred forty-five".