213121223103041 has 16 divisors (see below), whose sum is σ = 246519318430080. Its totient is φ = 182092516673280.

The previous prime is 213121223103013. The next prime is 213121223103049. The reversal of 213121223103041 is 140301322121312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213121223103041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213121223103041.

It is not an unprimeable number, because it can be changed into a prime (213121223103049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 803594981 + ... + 803860146.

It is an arithmetic number, because the mean of its divisors is an integer number (15407457401880).

Almost surely, 2^{213121223103041} is an apocalyptic number.

It is an amenable number.

213121223103041 is a deficient number, since it is larger than the sum of its proper divisors (33398095327039).

213121223103041 is a wasteful number, since it uses less digits than its factorization.

213121223103041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607455864.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 213121223103041 its reverse (140301322121312), we get a palindrome (353422545224353).

The spelling of 213121223103041 in words is "two hundred thirteen trillion, one hundred twenty-one billion, two hundred twenty-three million, one hundred three thousand, forty-one".