11021220200111 has 8 divisors (see below), whose sum is σ = 12049926930000. Its totient is φ = 9996976407040.

The previous prime is 11021220200099. The next prime is 11021220200131. The reversal of 11021220200111 is 11100202212011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11021220200111 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 (11021220200131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1115729036 + ... + 1115738913.

It is an arithmetic number, because the mean of its divisors is an integer number (1506240866250).

Almost surely, 2^{11021220200111} is an apocalyptic number.

11021220200111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11021220200111 is a deficient number, since it is larger than the sum of its proper divisors (1028706729889).

11021220200111 is a wasteful number, since it uses less digits than its factorization.

11021220200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231468409.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11021220200111 its reverse (11100202212011), we get a palindrome (22121422412122).

The spelling of 11021220200111 in words is "eleven trillion, twenty-one billion, two hundred twenty million, two hundred thousand, one hundred eleven".