121103203102 has 16 divisors (see below), whose sum is σ = 210233410560. Its totient is φ = 51244392888.

The previous prime is 121103203069. The next prime is 121103203147. The reversal of 121103203102 is 201302301121.

121103203102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54747178 + ... + 54749389.

It is an arithmetic number, because the mean of its divisors is an integer number (13139588160).

Almost surely, 2^121103203102 is an apocalyptic number.

121103203102 is a deficient number, since it is larger than the sum of its proper divisors (89130207458).

121103203102 is a wasteful number, since it uses less digits than its factorization.

121103203102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109496655.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121103203102 its reverse (201302301121), we get a palindrome (322405504223).

The spelling of 121103203102 in words is "one hundred twenty-one billion, one hundred three million, two hundred three thousand, one hundred two".