210102102111211 has 2 divisors, whose sum is σ = 210102102111212. Its totient is φ = 210102102111210.

The previous prime is 210102102111107. The next prime is 210102102111217. The reversal of 210102102111211 is 112111201201012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210102102111211 - 2¹⁵ = 210102102078443 is a prime.

It is not a weakly prime, because it can be changed into another prime (210102102111217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105051051055605 + 105051051055606.

It is an arithmetic number, because the mean of its divisors is an integer number (105051051055606).

Almost surely, 2^{210102102111211} is an apocalyptic number.

210102102111211 is a deficient number, since it is larger than the sum of its proper divisors (1).

210102102111211 is an equidigital number, since it uses as much as digits as its factorization.

210102102111211 is an evil number, because the sum of its binary digits is even.

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

Adding to 210102102111211 its reverse (112111201201012), we get a palindrome (322213303312223).

The spelling of 210102102111211 in words is "two hundred ten trillion, one hundred two billion, one hundred two million, one hundred eleven thousand, two hundred eleven".