133210020321 has 24 divisors (see below), whose sum is σ = 219914801600. Its totient is φ = 76115668896.

The previous prime is 133210020311. The next prime is 133210020337. The reversal of 133210020321 is 123020012331.

133210020321 is a `hidden beast` number, since 1 + 3 + 321 + 0 + 0 + 20 + 321 = 666.

It is not a de Polignac number, because 133210020321 - 2¹⁰ = 133210019297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133210020294 and 133210020303.

It is not an unprimeable number, because it can be changed into a prime (133210020311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1291155 + ... + 1390503.

Almost surely, 2^133210020321 is an apocalyptic number.

It is an amenable number.

133210020321 is a deficient number, since it is larger than the sum of its proper divisors (86704781279).

133210020321 is a wasteful number, since it uses less digits than its factorization.

133210020321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120645 (or 120642 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 133210020321 its reverse (123020012331), we get a palindrome (256230032652).

The spelling of 133210020321 in words is "one hundred thirty-three billion, two hundred ten million, twenty thousand, three hundred twenty-one".