13011122230221 has 8 divisors (see below), whose sum is σ = 17946375490080. Its totient is φ = 8374975228592.

The previous prime is 13011122230133. The next prime is 13011122230229. The reversal of 13011122230221 is 12203222111031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13011122230221 - 2⁹ = 13011122229709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011122230229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74776564455 + ... + 74776564628.

It is an arithmetic number, because the mean of its divisors is an integer number (2243296936260).

Almost surely, 2^{13011122230221} is an apocalyptic number.

It is an amenable number.

13011122230221 is a deficient number, since it is larger than the sum of its proper divisors (4935253259859).

13011122230221 is a wasteful number, since it uses less digits than its factorization.

13011122230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149553129115.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13011122230221 its reverse (12203222111031), we get a palindrome (25214344341252).

The spelling of 13011122230221 in words is "thirteen trillion, eleven billion, one hundred twenty-two million, two hundred thirty thousand, two hundred twenty-one".