102010112320321 has 4 divisors (see below), whose sum is σ = 102912856677252. Its totient is φ = 101107367963392.

The previous prime is 102010112320283. The next prime is 102010112320351. The reversal of 102010112320321 is 123023211010201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1466676012096 + 100543436308225 = 1211064^2 + 10027135^2 .

It is a cyclic number.

It is not a de Polignac number, because 102010112320321 - 2⁴¹ = 99811089064769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102010112320351) 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, 451372178296 + ... + 451372178521.

It is an arithmetic number, because the mean of its divisors is an integer number (25728214169313).

Almost surely, 2^{102010112320321} is an apocalyptic number.

It is an amenable number.

102010112320321 is a deficient number, since it is larger than the sum of its proper divisors (902744356931).

102010112320321 is an equidigital number, since it uses as much as digits as its factorization.

102010112320321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902744356930.

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

Adding to 102010112320321 its reverse (123023211010201), we get a palindrome (225033323330522).

The spelling of 102010112320321 in words is "one hundred two trillion, ten billion, one hundred twelve million, three hundred twenty thousand, three hundred twenty-one".