121213033103 has 2 divisors, whose sum is σ = 121213033104. Its totient is φ = 121213033102.

The previous prime is 121213033093. The next prime is 121213033147. The reversal of 121213033103 is 301330312121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121213033103 - 2¹⁴ = 121213016719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121213093103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60606516551 + 60606516552.

It is an arithmetic number, because the mean of its divisors is an integer number (60606516552).

Almost surely, 2^121213033103 is an apocalyptic number.

121213033103 is a deficient number, since it is larger than the sum of its proper divisors (1).

121213033103 is an equidigital number, since it uses as much as digits as its factorization.

121213033103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121213033103 its reverse (301330312121), we get a palindrome (422543345224).

The spelling of 121213033103 in words is "one hundred twenty-one billion, two hundred thirteen million, thirty-three thousand, one hundred three".