210212220001111 has 2 divisors, whose sum is σ = 210212220001112. Its totient is φ = 210212220001110.

The previous prime is 210212220001103. The next prime is 210212220001127. The reversal of 210212220001111 is 111100022212012.

It is an a-pointer prime, because the next prime (210212220001127) can be obtained adding 210212220001111 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210212220001111 - 2³ = 210212220001103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210212220001181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105106110000555 + 105106110000556.

It is an arithmetic number, because the mean of its divisors is an integer number (105106110000556).

Almost surely, 2^{210212220001111} is an apocalyptic number.

210212220001111 is a deficient number, since it is larger than the sum of its proper divisors (1).

210212220001111 is an equidigital number, since it uses as much as digits as its factorization.

210212220001111 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 16.

Adding to 210212220001111 its reverse (111100022212012), we get a palindrome (321312242213123).

The spelling of 210212220001111 in words is "two hundred ten trillion, two hundred twelve billion, two hundred twenty million, one thousand, one hundred eleven".