102000102121 has 4 divisors (see below), whose sum is σ = 102000975952. Its totient is φ = 101999228292.

The previous prime is 102000102067. The next prime is 102000102161. The reversal of 102000102121 is 121201000201.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 102000102121 - 2⁷ = 102000101993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102000102098 and 102000102107.

It is not an unprimeable number, because it can be changed into a prime (102000102161) 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, 228771 + ... + 506296.

It is an arithmetic number, because the mean of its divisors is an integer number (25500243988).

Almost surely, 2^102000102121 is an apocalyptic number.

It is an amenable number.

102000102121 is a deficient number, since it is larger than the sum of its proper divisors (873831).

102000102121 is an equidigital number, since it uses as much as digits as its factorization.

102000102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873830.

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

Adding to 102000102121 its reverse (121201000201), we get a palindrome (223201102322).

The spelling of 102000102121 in words is "one hundred two billion, one hundred two thousand, one hundred twenty-one".