102001000321 has 8 divisors (see below), whose sum is σ = 112798118304. Its totient is φ = 91457932320.

The previous prime is 102001000271. The next prime is 102001000351. The reversal of 102001000321 is 123000100201.

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 102001000321 - 2¹⁵ = 102000967553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102001000298 and 102001000307.

It is not an unprimeable number, because it can be changed into a prime (102001000351) 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, 63511651 + ... + 63513256.

It is an arithmetic number, because the mean of its divisors is an integer number (14099764788).

Almost surely, 2^102001000321 is an apocalyptic number.

102001000321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102001000321 is a deficient number, since it is larger than the sum of its proper divisors (10797117983).

102001000321 is a wasteful number, since it uses less digits than its factorization.

102001000321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127024991.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 102001000321 its reverse (123000100201), we get a palindrome (225001100522).

The spelling of 102001000321 in words is "one hundred two billion, one million, three hundred twenty-one", and thus it is an aban number.