102001010321 has 8 divisors (see below), whose sum is σ = 116583329280. Its totient is φ = 87421377888.

The previous prime is 102001010261. The next prime is 102001010329. The reversal of 102001010321 is 123010100201.

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

It is a cyclic number.

It is not a de Polignac number, because 102001010321 - 2¹⁸ = 102000748177 is a prime.

It is a super-2 number, since 2×102001010321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102001010329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589601 + ... + 742718.

It is an arithmetic number, because the mean of its divisors is an integer number (14572916160).

Almost surely, 2^102001010321 is an apocalyptic number.

It is an amenable number.

102001010321 is a deficient number, since it is larger than the sum of its proper divisors (14582318959).

102001010321 is a wasteful number, since it uses less digits than its factorization.

102001010321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343263.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 102001010321 its reverse (123010100201), we get a palindrome (225011110522).

The spelling of 102001010321 in words is "one hundred two billion, one million, ten thousand, three hundred twenty-one".