121002222203 has 2 divisors, whose sum is σ = 121002222204. Its totient is φ = 121002222202.

The previous prime is 121002222157. The next prime is 121002222293. The reversal of 121002222203 is 302222200121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121002222203 - 2¹⁸ = 121001960059 is a prime.

It is not a weakly prime, because it can be changed into another prime (121002222293) 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, 60501111101 + 60501111102.

It is an arithmetic number, because the mean of its divisors is an integer number (60501111102).

Almost surely, 2^121002222203 is an apocalyptic number.

121002222203 is a deficient number, since it is larger than the sum of its proper divisors (1).

121002222203 is an equidigital number, since it uses as much as digits as its factorization.

121002222203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 121002222203 its reverse (302222200121), we get a palindrome (423224422324).

The spelling of 121002222203 in words is "one hundred twenty-one billion, two million, two hundred twenty-two thousand, two hundred three".