221133011013 has 48 divisors (see below), whose sum is σ = 351764911680. Its totient is φ = 138426672384.

The previous prime is 221133010999. The next prime is 221133011063. The reversal of 221133011013 is 310110331122.

221133011013 is a `hidden beast` number, since 2 + 211 + 330 + 110 + 13 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-221133011013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221133011063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 309795 + ... + 733647.

It is an arithmetic number, because the mean of its divisors is an integer number (7328435660).

Almost surely, 2^221133011013 is an apocalyptic number.

It is an amenable number.

221133011013 is a deficient number, since it is larger than the sum of its proper divisors (130631900667).

221133011013 is a wasteful number, since it uses less digits than its factorization.

221133011013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424000 (or 423988 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 221133011013 its reverse (310110331122), we get a palindrome (531243342135).

The spelling of 221133011013 in words is "two hundred twenty-one billion, one hundred thirty-three million, eleven thousand, thirteen".