133050522221 has 4 divisors (see below), whose sum is σ = 133057837692. Its totient is φ = 133043206752.

The previous prime is 133050522217. The next prime is 133050522233. The reversal of 133050522221 is 122225050331.

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 113080875625 + 19969646596 = 336275^2 + 141314^2 .

It is a cyclic number.

It is not a de Polignac number, because 133050522221 - 2² = 133050522217 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 (133050522721) 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, 3630386 + ... + 3666851.

It is an arithmetic number, because the mean of its divisors is an integer number (33264459423).

Almost surely, 2^133050522221 is an apocalyptic number.

It is an amenable number.

133050522221 is a deficient number, since it is larger than the sum of its proper divisors (7315471).

133050522221 is an equidigital number, since it uses as much as digits as its factorization.

133050522221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7315470.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 133050522221 its reverse (122225050331), we get a palindrome (255275572552).

The spelling of 133050522221 in words is "one hundred thirty-three billion, fifty million, five hundred twenty-two thousand, two hundred twenty-one".