11100222120111 has 4 divisors (see below), whose sum is σ = 14800296160152. Its totient is φ = 7400148080072.

The previous prime is 11100222120101. The next prime is 11100222120151. The reversal of 11100222120111 is 11102122200111.

It is a happy number.

11100222120111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11100222120111 - 2⁷ = 11100222119983 is a prime.

It is a super-2 number, since 2×11100222120111² (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 (11100222120101) 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, 1850037020016 + ... + 1850037020021.

It is an arithmetic number, because the mean of its divisors is an integer number (3700074040038).

Almost surely, 2^{11100222120111} is an apocalyptic number.

11100222120111 is a deficient number, since it is larger than the sum of its proper divisors (3700074040041).

11100222120111 is an equidigital number, since it uses as much as digits as its factorization.

11100222120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700074040040.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11100222120111 its reverse (11102122200111), we get a palindrome (22202344320222).

The spelling of 11100222120111 in words is "eleven trillion, one hundred billion, two hundred twenty-two million, one hundred twenty thousand, one hundred eleven".