102010110032321 has 4 divisors (see below), whose sum is σ = 103301377248000. Its totient is φ = 100718842816644.

The previous prime is 102010110032317. The next prime is 102010110032339. The reversal of 102010110032321 is 123230011010201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102010110032321 - 2² = 102010110032317 is a prime.

It is a Duffinian number.

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 102010110032321.

It is not an unprimeable number, because it can be changed into a prime (102010110032021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645633607721 + ... + 645633607878.

It is an arithmetic number, because the mean of its divisors is an integer number (25825344312000).

Almost surely, 2^{102010110032321} is an apocalyptic number.

It is an amenable number.

102010110032321 is a deficient number, since it is larger than the sum of its proper divisors (1291267215679).

102010110032321 is an equidigital number, since it uses as much as digits as its factorization.

102010110032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291267215678.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 102010110032321 its reverse (123230011010201), we get a palindrome (225240121042522).

The spelling of 102010110032321 in words is "one hundred two trillion, ten billion, one hundred ten million, thirty-two thousand, three hundred twenty-one".