233313122220021 has 48 divisors (see below), whose sum is σ = 339195460032000. Its totient is φ = 154534037685120.

The previous prime is 233313122220011. The next prime is 233313122220029. The reversal of 233313122220021 is 120022221313332.

233313122220021 is a `hidden beast` number, since 2 + 3 + 3 + 313 + 122 + 2 + 200 + 21 = 666.

It is not a de Polignac number, because 233313122220021 - 2⁷ = 233313122219893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233313122220029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9807593395 + ... + 9807617183.

It is an arithmetic number, because the mean of its divisors is an integer number (7066572084000).

Almost surely, 2^{233313122220021} is an apocalyptic number.

It is an amenable number.

233313122220021 is a deficient number, since it is larger than the sum of its proper divisors (105882337811979).

233313122220021 is a wasteful number, since it uses less digits than its factorization.

233313122220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29194 (or 29191 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 233313122220021 its reverse (120022221313332), we get a palindrome (353335343533353).

The spelling of 233313122220021 in words is "two hundred thirty-three trillion, three hundred thirteen billion, one hundred twenty-two million, two hundred twenty thousand, twenty-one".