102102012010121 has 8 divisors (see below), whose sum is σ = 102178681608960. Its totient is φ = 102025345307328.

The previous prime is 102102012010111. The next prime is 102102012010129. The reversal of 102102012010121 is 121010210201201.

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-102102012010121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102102012010096 and 102102012010105.

It is not an unprimeable number, because it can be changed into a prime (102102012010129) 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, 72597920 + ... + 73990958.

It is an arithmetic number, because the mean of its divisors is an integer number (12772335201120).

Almost surely, 2^{102102012010121} is an apocalyptic number.

It is an amenable number.

102102012010121 is a deficient number, since it is larger than the sum of its proper divisors (76669598839).

102102012010121 is a wasteful number, since it uses less digits than its factorization.

102102012010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448023.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102102012010121 its reverse (121010210201201), we get a palindrome (223112222211322).

The spelling of 102102012010121 in words is "one hundred two trillion, one hundred two billion, twelve million, ten thousand, one hundred twenty-one".