102120100218211 has 2 divisors, whose sum is σ = 102120100218212. Its totient is φ = 102120100218210.

The previous prime is 102120100218179. The next prime is 102120100218217. The reversal of 102120100218211 is 112812001021201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102120100218211 - 2⁵ = 102120100218179 is a prime.

It is not a weakly prime, because it can be changed into another prime (102120100218217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060050109105 + 51060050109106.

It is an arithmetic number, because the mean of its divisors is an integer number (51060050109106).

Almost surely, 2^{102120100218211} is an apocalyptic number.

102120100218211 is a deficient number, since it is larger than the sum of its proper divisors (1).

102120100218211 is an equidigital number, since it uses as much as digits as its factorization.

102120100218211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 22.

Adding to 102120100218211 its reverse (112812001021201), we get a palindrome (214932101239412).

The spelling of 102120100218211 in words is "one hundred two trillion, one hundred twenty billion, one hundred million, two hundred eighteen thousand, two hundred eleven".