221011131133 has 8 divisors (see below), whose sum is σ = 241564406048. Its totient is φ = 200965344624.

The previous prime is 221011131119. The next prime is 221011131139. The reversal of 221011131133 is 331131110122.

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 221011131133 - 2²¹ = 221009033981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221011131133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221011131139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126871191 + ... + 126872932.

It is an arithmetic number, because the mean of its divisors is an integer number (30195550756).

Almost surely, 2^221011131133 is an apocalyptic number.

It is an amenable number.

221011131133 is a deficient number, since it is larger than the sum of its proper divisors (20553274915).

221011131133 is a wasteful number, since it uses less digits than its factorization.

221011131133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253744203.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 221011131133 its reverse (331131110122), we get a palindrome (552142241255).

The spelling of 221011131133 in words is "two hundred twenty-one billion, eleven million, one hundred thirty-one thousand, one hundred thirty-three".