121021012000102 has 4 divisors (see below), whose sum is σ = 181531518000156. Its totient is φ = 60510506000050.

The previous prime is 121021012000043. The next prime is 121021012000181. The reversal of 121021012000102 is 201000210120121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30255253000024 + ... + 30255253000027.

It is an arithmetic number, because the mean of its divisors is an integer number (45382879500039).

Almost surely, 2^{121021012000102} is an apocalyptic number.

121021012000102 is a deficient number, since it is larger than the sum of its proper divisors (60510506000054).

121021012000102 is an equidigital number, since it uses as much as digits as its factorization.

121021012000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60510506000053.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121021012000102 its reverse (201000210120121), we get a palindrome (322021222120223).

The spelling of 121021012000102 in words is "one hundred twenty-one trillion, twenty-one billion, twelve million, one hundred two", and thus it is an aban number.