110121111111 has 16 divisors (see below), whose sum is σ = 160840804608. Its totient is φ = 66463132800.

The previous prime is 110121111109. The next prime is 110121111161. The reversal of 110121111111 is 111111121011.

It is not a de Polignac number, because 110121111111 - 2¹ = 110121111109 is a prime.

It is a super-2 number, since 2×110121111111² (a number of 23 digits) contains 22 as substring.

110121111111 is a modest number, since divided by 111111 gives 110121 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121111161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6915291 + ... + 6931196.

It is an arithmetic number, because the mean of its divisors is an integer number (10052550288).

Almost surely, 2^110121111111 is an apocalyptic number.

110121111111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

110121111111 is a deficient number, since it is larger than the sum of its proper divisors (50719693497).

110121111111 is a wasteful number, since it uses less digits than its factorization.

110121111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13846742.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 110121111111 its reverse (111111121011), we get a palindrome (221232232122).

The spelling of 110121111111 in words is "one hundred ten billion, one hundred twenty-one million, one hundred eleven thousand, one hundred eleven".