121303103102 has 32 divisors (see below), whose sum is σ = 187839144288. Its totient is φ = 58707818496.

The previous prime is 121303103099. The next prime is 121303103107. The reversal of 121303103102 is 201301303121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121303103107) 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 15 ways as a sum of consecutive naturals, for example, 11729678 + ... + 11740014.

It is an arithmetic number, because the mean of its divisors is an integer number (5869973259).

Almost surely, 2^121303103102 is an apocalyptic number.

121303103102 is a deficient number, since it is larger than the sum of its proper divisors (66536041186).

121303103102 is a wasteful number, since it uses less digits than its factorization.

121303103102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11180.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 121303103102 its reverse (201301303121), we get a palindrome (322604406223).

The spelling of 121303103102 in words is "one hundred twenty-one billion, three hundred three million, one hundred three thousand, one hundred two".