213415121041 has 4 divisors (see below), whose sum is σ = 217441821492. Its totient is φ = 209388420592.

The previous prime is 213415121011. The next prime is 213415121063. The reversal of 213415121041 is 140121514312.

It is a happy number.

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 186512560641 + 26902560400 = 431871^2 + 164020^2 .

It is a cyclic number.

It is not a de Polignac number, because 213415121041 - 2⁷ = 213415120913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213415120997 and 213415121015.

It is not an unprimeable number, because it can be changed into a prime (213415121011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2013350146 + ... + 2013350251.

It is an arithmetic number, because the mean of its divisors is an integer number (54360455373).

Almost surely, 2^213415121041 is an apocalyptic number.

It is an amenable number.

213415121041 is a deficient number, since it is larger than the sum of its proper divisors (4026700451).

213415121041 is an equidigital number, since it uses as much as digits as its factorization.

213415121041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026700450.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 213415121041 its reverse (140121514312), we get a palindrome (353536635353).

The spelling of 213415121041 in words is "two hundred thirteen billion, four hundred fifteen million, one hundred twenty-one thousand, forty-one".