133312222221 has 8 divisors (see below), whose sum is σ = 182553673824. Its totient is φ = 86472792720.

The previous prime is 133312222189. The next prime is 133312222223. The reversal of 133312222221 is 122222213331.

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

It is not a de Polignac number, because 133312222221 - 2⁵ = 133312222189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133312222191 and 133312222200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133312222223) 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, 600505395 + ... + 600505616.

It is an arithmetic number, because the mean of its divisors is an integer number (22819209228).

Almost surely, 2^133312222221 is an apocalyptic number.

It is an amenable number.

133312222221 is a deficient number, since it is larger than the sum of its proper divisors (49241451603).

133312222221 is a wasteful number, since it uses less digits than its factorization.

133312222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201011051.

The product of its digits is 1728, while the sum is 24.

Adding to 133312222221 its reverse (122222213331), we get a palindrome (255534435552).

The spelling of 133312222221 in words is "one hundred thirty-three billion, three hundred twelve million, two hundred twenty-two thousand, two hundred twenty-one".