121421133010211 has 2 divisors, whose sum is σ = 121421133010212. Its totient is φ = 121421133010210.

The previous prime is 121421133010169. The next prime is 121421133010259. The reversal of 121421133010211 is 112010331124121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121421133010211 - 2⁴² = 117023086499107 is a prime.

It is not a weakly prime, because it can be changed into another prime (121421133010811) 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, 60710566505105 + 60710566505106.

It is an arithmetic number, because the mean of its divisors is an integer number (60710566505106).

Almost surely, 2^{121421133010211} is an apocalyptic number.

121421133010211 is a deficient number, since it is larger than the sum of its proper divisors (1).

121421133010211 is an equidigital number, since it uses as much as digits as its factorization.

121421133010211 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 23.

Adding to 121421133010211 its reverse (112010331124121), we get a palindrome (233431464134332).

The spelling of 121421133010211 in words is "one hundred twenty-one trillion, four hundred twenty-one billion, one hundred thirty-three million, ten thousand, two hundred eleven".