11010212221111 has 2 divisors, whose sum is σ = 11010212221112. Its totient is φ = 11010212221110.

The previous prime is 11010212221103. The next prime is 11010212221139. The reversal of 11010212221111 is 11112221201011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11010212221111 - 2³ = 11010212221103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11010212221511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505106110555 + 5505106110556.

It is an arithmetic number, because the mean of its divisors is an integer number (5505106110556).

Almost surely, 2^{11010212221111} is an apocalyptic number.

11010212221111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010212221111 is an equidigital number, since it uses as much as digits as its factorization.

11010212221111 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 11010212221111 its reverse (11112221201011), we get a palindrome (22122433422122).

The spelling of 11010212221111 in words is "eleven trillion, ten billion, two hundred twelve million, two hundred twenty-one thousand, one hundred eleven".