11421212000111 has 2 divisors, whose sum is σ = 11421212000112. Its totient is φ = 11421212000110.

The previous prime is 11421212000089. The next prime is 11421212000123. The reversal of 11421212000111 is 11100021212411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11421212000111 - 2⁶ = 11421212000047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11421212000111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11421212000141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710606000055 + 5710606000056.

It is an arithmetic number, because the mean of its divisors is an integer number (5710606000056).

Almost surely, 2^{11421212000111} is an apocalyptic number.

11421212000111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11421212000111 is an equidigital number, since it uses as much as digits as its factorization.

11421212000111 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 17.

Adding to 11421212000111 its reverse (11100021212411), we get a palindrome (22521233212522).

The spelling of 11421212000111 in words is "eleven trillion, four hundred twenty-one billion, two hundred twelve million, one hundred eleven", and thus it is an aban number.