102012110320321 has 4 divisors (see below), whose sum is σ = 102546205138944. Its totient is φ = 101478015501700.

The previous prime is 102012110320319. The next prime is 102012110320331. The reversal of 102012110320321 is 123023011210201.

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 102012110320321 - 2¹ = 102012110320319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102012110320301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267047409025 + ... + 267047409406.

It is an arithmetic number, because the mean of its divisors is an integer number (25636551284736).

Almost surely, 2^{102012110320321} is an apocalyptic number.

It is an amenable number.

102012110320321 is a deficient number, since it is larger than the sum of its proper divisors (534094818623).

102012110320321 is an equidigital number, since it uses as much as digits as its factorization.

102012110320321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534094818622.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102012110320321 its reverse (123023011210201), we get a palindrome (225035121530522).

The spelling of 102012110320321 in words is "one hundred two trillion, twelve billion, one hundred ten million, three hundred twenty thousand, three hundred twenty-one".