102001233321 has 12 divisors (see below), whose sum is σ = 158668585348. Its totient is φ = 62769989664.

The previous prime is 102001233287. The next prime is 102001233331. The reversal of 102001233321 is 123332100201.

102001233321 is a `hidden beast` number, since 10 + 200 + 123 + 332 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17573214096 + 84428019225 = 132564^2 + 290565^2 .

It is not a de Polignac number, because 102001233321 - 2⁷ = 102001233193 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102001233294 and 102001233303.

It is not an unprimeable number, because it can be changed into a prime (102001233331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 435902590 + ... + 435902823.

Almost surely, 2^102001233321 is an apocalyptic number.

It is an amenable number.

102001233321 is a deficient number, since it is larger than the sum of its proper divisors (56667352027).

102001233321 is a wasteful number, since it uses less digits than its factorization.

102001233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871805432 (or 871805429 counting only the distinct ones).

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

Adding to 102001233321 its reverse (123332100201), we get a palindrome (225333333522).

The spelling of 102001233321 in words is "one hundred two billion, one million, two hundred thirty-three thousand, three hundred twenty-one".