133321220122 has 8 divisors (see below), whose sum is σ = 201255600276. Its totient is φ = 66236020032.

The previous prime is 133321220117. The next prime is 133321220129. The reversal of 133321220122 is 221022123331.

It can be written as a sum of positive squares in 2 ways, for example, as 133304581881 + 16638241 = 365109^2 + 4079^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 133321220093 and 133321220102.

It is not an unprimeable number, because it can be changed into a prime (133321220129) 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, 212294623 + ... + 212295250.

Almost surely, 2^133321220122 is an apocalyptic number.

133321220122 is a deficient number, since it is larger than the sum of its proper divisors (67934380154).

133321220122 is a wasteful number, since it uses less digits than its factorization.

133321220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424590032.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 133321220122 its reverse (221022123331), we get a palindrome (354343343453).

The spelling of 133321220122 in words is "one hundred thirty-three billion, three hundred twenty-one million, two hundred twenty thousand, one hundred twenty-two".