11200021101811 has 2 divisors, whose sum is σ = 11200021101812. Its totient is φ = 11200021101810.

The previous prime is 11200021101803. The next prime is 11200021101923. The reversal of 11200021101811 is 11810112000211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11200021101811 - 2³ = 11200021101803 is a prime.

It is not a weakly prime, because it can be changed into another prime (11200021102811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600010550905 + 5600010550906.

It is an arithmetic number, because the mean of its divisors is an integer number (5600010550906).

Almost surely, 2^{11200021101811} is an apocalyptic number.

11200021101811 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200021101811 is an equidigital number, since it uses as much as digits as its factorization.

11200021101811 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 19.

The spelling of 11200021101811 in words is "eleven trillion, two hundred billion, twenty-one million, one hundred one thousand, eight hundred eleven".