213261016021324 has 6 divisors (see below), whose sum is σ = 373206778037324. Its totient is φ = 106630508010660.

The previous prime is 213261016021297. The next prime is 213261016021369. The reversal of 213261016021324 is 423120610162312.

It is a self number, because there is not a number n which added to its sum of digits gives 213261016021324.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26657627002662 + ... + 26657627002669.

Almost surely, 2^{213261016021324} is an apocalyptic number.

It is an amenable number.

213261016021324 is a deficient number, since it is larger than the sum of its proper divisors (159945762016000).

213261016021324 is a wasteful number, since it uses less digits than its factorization.

213261016021324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53315254005335 (or 53315254005333 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 213261016021324 its reverse (423120610162312), we get a palindrome (636381626183636).

The spelling of 213261016021324 in words is "two hundred thirteen trillion, two hundred sixty-one billion, sixteen million, twenty-one thousand, three hundred twenty-four".