102120121201211 has 2 divisors, whose sum is σ = 102120121201212. Its totient is φ = 102120121201210.

The previous prime is 102120121201207. The next prime is 102120121201229. The reversal of 102120121201211 is 112102121021201.

It is a weak prime.

It is an emirp because it is prime and its reverse (112102121021201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102120121201211 - 2² = 102120121201207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102120121201211.

It is not a weakly prime, because it can be changed into another prime (102120121201201) 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, 51060060600605 + 51060060600606.

It is an arithmetic number, because the mean of its divisors is an integer number (51060060600606).

Almost surely, 2^{102120121201211} is an apocalyptic number.

102120121201211 is a deficient number, since it is larger than the sum of its proper divisors (1).

102120121201211 is an equidigital number, since it uses as much as digits as its factorization.

102120121201211 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 17.

Adding to 102120121201211 its reverse (112102121021201), we get a palindrome (214222242222412).

The spelling of 102120121201211 in words is "one hundred two trillion, one hundred twenty billion, one hundred twenty-one million, two hundred one thousand, two hundred eleven".