121021012000103 has 4 divisors (see below), whose sum is σ = 121026357709920. Its totient is φ = 121015666290288.

The previous prime is 121021012000043. The next prime is 121021012000181. The reversal of 121021012000103 is 301000210120121.

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

It is a cyclic number.

It is not a de Polignac number, because 121021012000103 - 2⁸ = 121021011999847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121021012000183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2672820950 + ... + 2672866227.

It is an arithmetic number, because the mean of its divisors is an integer number (30256589427480).

Almost surely, 2^{121021012000103} is an apocalyptic number.

121021012000103 is a deficient number, since it is larger than the sum of its proper divisors (5345709817).

121021012000103 is an equidigital number, since it uses as much as digits as its factorization.

121021012000103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5345709816.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121021012000103 its reverse (301000210120121), we get a palindrome (422021222120224).

The spelling of 121021012000103 in words is "one hundred twenty-one trillion, twenty-one billion, twelve million, one hundred three", and thus it is an aban number.