11200211121111 has 8 divisors (see below), whose sum is σ = 14969086599024. Its totient is φ = 7449071528640.

The previous prime is 11200211121107. The next prime is 11200211121149. The reversal of 11200211121111 is 11112111200211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11200211121111 - 2² = 11200211121107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200211121101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4433969886 + ... + 4433972411.

It is an arithmetic number, because the mean of its divisors is an integer number (1871135824878).

Almost surely, 2^{11200211121111} is an apocalyptic number.

11200211121111 is a deficient number, since it is larger than the sum of its proper divisors (3768875477913).

11200211121111 is an equidigital number, since it uses as much as digits as its factorization.

11200211121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8867942721.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11200211121111 its reverse (11112111200211), we get a palindrome (22312322321322).

The spelling of 11200211121111 in words is "eleven trillion, two hundred billion, two hundred eleven million, one hundred twenty-one thousand, one hundred eleven".