1710212221111 has 2 divisors, whose sum is σ = 1710212221112. Its totient is φ = 1710212221110.

The previous prime is 1710212221103. The next prime is 1710212221121. The reversal of 1710212221111 is 1111222120171.

It is a weak prime.

It is an emirp because it is prime and its reverse (1111222120171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1710212221111 - 2³ = 1710212221103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1710212221121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 855106110555 + 855106110556.

It is an arithmetic number, because the mean of its divisors is an integer number (855106110556).

Almost surely, 2^{1710212221111} is an apocalyptic number.

1710212221111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1710212221111 is an equidigital number, since it uses as much as digits as its factorization.

1710212221111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 1710212221111 its reverse (1111222120171), we get a palindrome (2821434341282).

The spelling of 1710212221111 in words is "one trillion, seven hundred ten billion, two hundred twelve million, two hundred twenty-one thousand, one hundred eleven".