11200012111 has 2 divisors, whose sum is σ = 11200012112. Its totient is φ = 11200012110.

The previous prime is 11200012093. The next prime is 11200012121. The reversal of 11200012111 is 11121000211.

It is an a-pointer prime, because the next prime (11200012121) can be obtained adding 11200012111 to its sum of digits (10).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11200012111 - 2¹⁷ = 11199881039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11200012121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600006055 + 5600006056.

It is an arithmetic number, because the mean of its divisors is an integer number (5600006056).

Almost surely, 2^11200012111 is an apocalyptic number.

11200012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200012111 is an equidigital number, since it uses as much as digits as its factorization.

11200012111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11200012111 its reverse (11121000211), we get a palindrome (22321012322).

The spelling of 11200012111 in words is "eleven billion, two hundred million, twelve thousand, one hundred eleven".