11221100100111 has 32 divisors (see below), whose sum is σ = 16462839744000. Its totient is φ = 6742063658880.

The previous prime is 11221100100071. The next prime is 11221100100113. The reversal of 11221100100111 is 11100100112211.

It is not a de Polignac number, because 11221100100111 - 2²² = 11221095905807 is a prime.

It is a super-2 number, since 2×11221100100111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221100100113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1265256 + ... + 4903373.

It is an arithmetic number, because the mean of its divisors is an integer number (514463742000).

Almost surely, 2^{11221100100111} is an apocalyptic number.

11221100100111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11221100100111 is a deficient number, since it is larger than the sum of its proper divisors (5241739643889).

11221100100111 is a wasteful number, since it uses less digits than its factorization.

11221100100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6169119.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11221100100111 its reverse (11100100112211), we get a palindrome (22321200212322).

The spelling of 11221100100111 in words is "eleven trillion, two hundred twenty-one billion, one hundred million, one hundred thousand, one hundred eleven".