121012322203 has 2 divisors, whose sum is σ = 121012322204. Its totient is φ = 121012322202.

The previous prime is 121012322201. The next prime is 121012322209. The reversal of 121012322203 is 302223210121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121012322203 - 2¹ = 121012322201 is a prime.

Together with 121012322201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (121012322201) 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 as a sum of consecutive naturals, namely, 60506161101 + 60506161102.

It is an arithmetic number, because the mean of its divisors is an integer number (60506161102).

Almost surely, 2^121012322203 is an apocalyptic number.

121012322203 is a deficient number, since it is larger than the sum of its proper divisors (1).

121012322203 is an equidigital number, since it uses as much as digits as its factorization.

121012322203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121012322203 its reverse (302223210121), we get a palindrome (423235532324).

The spelling of 121012322203 in words is "one hundred twenty-one billion, twelve million, three hundred twenty-two thousand, two hundred three".