121000211122201 has 2 divisors, whose sum is σ = 121000211122202. Its totient is φ = 121000211122200.

The previous prime is 121000211122081. The next prime is 121000211122267. The reversal of 121000211122201 is 102221112000121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66958952294025 + 54041258828176 = 8182845^2 + 7351276^2 .

It is a cyclic number.

It is not a de Polignac number, because 121000211122201 - 2¹¹ = 121000211120153 is a prime.

It is not a weakly prime, because it can be changed into another prime (121000211122291) 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, 60500105561100 + 60500105561101.

It is an arithmetic number, because the mean of its divisors is an integer number (60500105561101).

Almost surely, 2^{121000211122201} is an apocalyptic number.

It is an amenable number.

121000211122201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000211122201 is an equidigital number, since it uses as much as digits as its factorization.

121000211122201 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 121000211122201 its reverse (102221112000121), we get a palindrome (223221323122322).

The spelling of 121000211122201 in words is "one hundred twenty-one trillion, two hundred eleven million, one hundred twenty-two thousand, two hundred one".