121003117211 has 2 divisors, whose sum is σ = 121003117212. Its totient is φ = 121003117210.

The previous prime is 121003117189. The next prime is 121003117229. The reversal of 121003117211 is 112711300121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121003117211 - 2¹⁸ = 121002855067 is a prime.

It is not a weakly prime, because it can be changed into another prime (121003117111) by changing a digit.

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 as a sum of consecutive naturals, namely, 60501558605 + 60501558606.

It is an arithmetic number, because the mean of its divisors is an integer number (60501558606).

Almost surely, 2^121003117211 is an apocalyptic number.

121003117211 is a deficient number, since it is larger than the sum of its proper divisors (1).

121003117211 is an equidigital number, since it uses as much as digits as its factorization.

121003117211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 20.

Adding to 121003117211 its reverse (112711300121), we get a palindrome (233714417332).

The spelling of 121003117211 in words is "one hundred twenty-one billion, three million, one hundred seventeen thousand, two hundred eleven".