121215354023041 has 4 divisors (see below), whose sum is σ = 121230287547732. Its totient is φ = 121200420498352.

The previous prime is 121215354023021. The next prime is 121215354023143. The reversal of 121215354023041 is 140320453512121.

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 92075827228225 + 29139526794816 = 9595615^2 + 5398104^2 .

It is a cyclic number.

It is not a de Polignac number, because 121215354023041 - 2⁷ = 121215354022913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121215354022988 and 121215354023006.

It is not an unprimeable number, because it can be changed into a prime (121215354023011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7466750170 + ... + 7466766403.

It is an arithmetic number, because the mean of its divisors is an integer number (30307571886933).

Almost surely, 2^{121215354023041} is an apocalyptic number.

It is an amenable number.

121215354023041 is a deficient number, since it is larger than the sum of its proper divisors (14933524691).

121215354023041 is an equidigital number, since it uses as much as digits as its factorization.

121215354023041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14933524690.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 121215354023041 in words is "one hundred twenty-one trillion, two hundred fifteen billion, three hundred fifty-four million, twenty-three thousand, forty-one".