11200221112111 has 4 divisors (see below), whose sum is σ = 11216429826424. Its totient is φ = 11184012397800.

The previous prime is 11200221112109. The next prime is 11200221112121. The reversal of 11200221112111 is 11121112200211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11200221112111 - 2¹ = 11200221112109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200221112121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8104356120 + ... + 8104357501.

It is an arithmetic number, because the mean of its divisors is an integer number (2804107456606).

Almost surely, 2^{11200221112111} is an apocalyptic number.

11200221112111 is a deficient number, since it is larger than the sum of its proper divisors (16208714313).

11200221112111 is an equidigital number, since it uses as much as digits as its factorization.

11200221112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16208714312.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11200221112111 its reverse (11121112200211), we get a palindrome (22321333312322).

The spelling of 11200221112111 in words is "eleven trillion, two hundred billion, two hundred twenty-one million, one hundred twelve thousand, one hundred eleven".