11100212021111 has 2 divisors, whose sum is σ = 11100212021112. Its totient is φ = 11100212021110.

The previous prime is 11100212021071. The next prime is 11100212021159. The reversal of 11100212021111 is 11112021200111.

11100212021111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11100212021111 - 2¹⁰ = 11100212020087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100212021611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550106010555 + 5550106010556.

It is an arithmetic number, because the mean of its divisors is an integer number (5550106010556).

Almost surely, 2^{11100212021111} is an apocalyptic number.

11100212021111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100212021111 is an equidigital number, since it uses as much as digits as its factorization.

11100212021111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11100212021111 its reverse (11112021200111), we get a palindrome (22212233221222).

The spelling of 11100212021111 in words is "eleven trillion, one hundred billion, two hundred twelve million, twenty-one thousand, one hundred eleven".