121101220200211 has 2 divisors, whose sum is σ = 121101220200212. Its totient is φ = 121101220200210.

The previous prime is 121101220200187. The next prime is 121101220200217. The reversal of 121101220200211 is 112002022101121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121101220200211 - 2¹⁷ = 121101220069139 is a prime.

It is not a weakly prime, because it can be changed into another prime (121101220200217) 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, 60550610100105 + 60550610100106.

It is an arithmetic number, because the mean of its divisors is an integer number (60550610100106).

Almost surely, 2^{121101220200211} is an apocalyptic number.

121101220200211 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101220200211 is an equidigital number, since it uses as much as digits as its factorization.

121101220200211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121101220200211 its reverse (112002022101121), we get a palindrome (233103242301332).

The spelling of 121101220200211 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred twenty million, two hundred thousand, two hundred eleven".