11221101201111 has 32 divisors (see below), whose sum is σ = 15386138792640. Its totient is φ = 7271057664000.

The previous prime is 11221101201073. The next prime is 11221101201113. The reversal of 11221101201111 is 11110210112211.

It is not a de Polignac number, because 11221101201111 - 2⁷ = 11221101200983 is a prime.

It is a super-2 number, since 2×11221101201111² (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 (11221101201113) 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, 112272261 + ... + 112372161.

It is an arithmetic number, because the mean of its divisors is an integer number (480816837270).

Almost surely, 2^{11221101201111} is an apocalyptic number.

11221101201111 is a deficient number, since it is larger than the sum of its proper divisors (4165037591529).

11221101201111 is a wasteful number, since it uses less digits than its factorization.

11221101201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106547.

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

Adding to 11221101201111 its reverse (11110210112211), we get a palindrome (22331311313322).

The spelling of 11221101201111 in words is "eleven trillion, two hundred twenty-one billion, one hundred one million, two hundred one thousand, one hundred eleven".