11200128102011 has 2 divisors, whose sum is σ = 11200128102012. Its totient is φ = 11200128102010.

The previous prime is 11200128101989. The next prime is 11200128102043. The reversal of 11200128102011 is 11020182100211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11200128102011 is a prime.

It is not a weakly prime, because it can be changed into another prime (11200128102211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600064051005 + 5600064051006.

It is an arithmetic number, because the mean of its divisors is an integer number (5600064051006).

Almost surely, 2^{11200128102011} is an apocalyptic number.

11200128102011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200128102011 is an equidigital number, since it uses as much as digits as its factorization.

11200128102011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 20.

The spelling of 11200128102011 in words is "eleven trillion, two hundred billion, one hundred twenty-eight million, one hundred two thousand, eleven".