102110002021 has 8 divisors (see below), whose sum is σ = 102474532160. Its totient is φ = 101746088928.

The previous prime is 102110002013. The next prime is 102110002069. The reversal of 102110002021 is 120200011201.

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 102110002021 - 2³ = 102110002013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102110001989 and 102110002007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102110002921) 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 7 ways as a sum of consecutive naturals, for example, 178570 + ... + 485908.

It is an arithmetic number, because the mean of its divisors is an integer number (12809316520).

Almost surely, 2^102110002021 is an apocalyptic number.

It is an amenable number.

102110002021 is a deficient number, since it is larger than the sum of its proper divisors (364530139).

102110002021 is an equidigital number, since it uses as much as digits as its factorization.

102110002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308523.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102110002021 its reverse (120200011201), we get a palindrome (222310013222).

The spelling of 102110002021 in words is "one hundred two billion, one hundred ten million, two thousand, twenty-one".