102021120120211 has 2 divisors, whose sum is σ = 102021120120212. Its totient is φ = 102021120120210.

The previous prime is 102021120120209. The next prime is 102021120120217. The reversal of 102021120120211 is 112021021120201.

It is a weak prime.

It is an emirp because it is prime and its reverse (112021021120201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102021120120211 - 2¹ = 102021120120209 is a prime.

Together with 102021120120209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102021120120217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010560060105 + 51010560060106.

It is an arithmetic number, because the mean of its divisors is an integer number (51010560060106).

Almost surely, 2^{102021120120211} is an apocalyptic number.

102021120120211 is a deficient number, since it is larger than the sum of its proper divisors (1).

102021120120211 is an equidigital number, since it uses as much as digits as its factorization.

102021120120211 is an evil number, because the sum of its binary digits is even.

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

Adding to 102021120120211 its reverse (112021021120201), we get a palindrome (214042141240412).

The spelling of 102021120120211 in words is "one hundred two trillion, twenty-one billion, one hundred twenty million, one hundred twenty thousand, two hundred eleven".