102120010000121 has 8 divisors (see below), whose sum is σ = 103519535330400. Its totient is φ = 100720501456032.

The previous prime is 102120010000109. The next prime is 102120010000171. The reversal of 102120010000121 is 121000010021201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102120010000121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102120010000171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8307530 + ... + 16530428.

It is an arithmetic number, because the mean of its divisors is an integer number (12939941916300).

Almost surely, 2^{102120010000121} is an apocalyptic number.

It is an amenable number.

102120010000121 is a deficient number, since it is larger than the sum of its proper divisors (1399525330279).

102120010000121 is an equidigital number, since it uses as much as digits as its factorization.

102120010000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8393095.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102120010000121 its reverse (121000010021201), we get a palindrome (223120020021322).

The spelling of 102120010000121 in words is "one hundred two trillion, one hundred twenty billion, ten million, one hundred twenty-one", and thus it is an aban number.