102001330221 has 64 divisors (see below), whose sum is σ = 166132531200. Its totient is φ = 54410227200.

The previous prime is 102001330201. The next prime is 102001330247. The reversal of 102001330221 is 122033100201.

It is not a de Polignac number, because 102001330221 - 2⁹ = 102001329709 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102001330221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001330201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28901985 + ... + 28905513.

It is an arithmetic number, because the mean of its divisors is an integer number (2595820800).

Almost surely, 2^102001330221 is an apocalyptic number.

It is an amenable number.

102001330221 is a deficient number, since it is larger than the sum of its proper divisors (64131200979).

102001330221 is a wasteful number, since it uses less digits than its factorization.

102001330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5130.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102001330221 its reverse (122033100201), we get a palindrome (224034430422).

The spelling of 102001330221 in words is "one hundred two billion, one million, three hundred thirty thousand, two hundred twenty-one".