221133102303133 has 4 divisors (see below), whose sum is σ = 221136748476700. Its totient is φ = 221129456129568.

The previous prime is 221133102303121. The next prime is 221133102303163. The reversal of 221133102303133 is 331303201331122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 138543775693444 + 82589326609689 = 11770462^2 + 9087867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221133102303133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221133102303163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1822995810 + ... + 1823117107.

It is an arithmetic number, because the mean of its divisors is an integer number (55284187119175).

Almost surely, 2^{221133102303133} is an apocalyptic number.

It is an amenable number.

221133102303133 is a deficient number, since it is larger than the sum of its proper divisors (3646173567).

221133102303133 is an equidigital number, since it uses as much as digits as its factorization.

221133102303133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646173566.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 221133102303133 its reverse (331303201331122), we get a palindrome (552436303634255).

The spelling of 221133102303133 in words is "two hundred twenty-one trillion, one hundred thirty-three billion, one hundred two million, three hundred three thousand, one hundred thirty-three".