11111201102111 has 8 divisors (see below), whose sum is σ = 12121546335744. Its totient is φ = 10100895208920.

The previous prime is 11111201102077. The next prime is 11111201102117. The reversal of 11111201102111 is 11120110211111.

11111201102111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11111201102111 - 2¹⁰ = 11111201101087 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 (11111201102117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9243005 + ... + 10375718.

It is an arithmetic number, because the mean of its divisors is an integer number (1515193291968).

Almost surely, 2^{11111201102111} is an apocalyptic number.

11111201102111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11111201102111 is a deficient number, since it is larger than the sum of its proper divisors (1010345233633).

11111201102111 is a wasteful number, since it uses less digits than its factorization.

11111201102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19670221.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 11111201102111 its reverse (11120110211111), we get a palindrome (22231311313222).

It can be divided in two parts, 11 and 111201102111, that multiplied together give a palindrome (1223212123221).

The spelling of 11111201102111 in words is "eleven trillion, one hundred eleven billion, two hundred one million, one hundred two thousand, one hundred eleven".