102010111321 has 8 divisors (see below), whose sum is σ = 102926812160. Its totient is φ = 101095183728.

The previous prime is 102010111309. The next prime is 102010111339. The reversal of 102010111321 is 123111010201.

It is a happy number.

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 102010111321 - 2⁷ = 102010111193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102010111121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327606 + ... + 557983.

It is an arithmetic number, because the mean of its divisors is an integer number (12865851520).

Almost surely, 2^102010111321 is an apocalyptic number.

It is an amenable number.

102010111321 is a deficient number, since it is larger than the sum of its proper divisors (916700839).

102010111321 is an equidigital number, since it uses as much as digits as its factorization.

102010111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886623.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 102010111321 its reverse (123111010201), we get a palindrome (225121121522).

The spelling of 102010111321 in words is "one hundred two billion, ten million, one hundred eleven thousand, three hundred twenty-one".