111110120122111 has 8 divisors (see below), whose sum is σ = 123198106365648. Its totient is φ = 99353311584000.

The previous prime is 111110120122081. The next prime is 111110120122139. The reversal of 111110120122111 is 111221021011111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111110120122111 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 (111110120122151) 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, 82794425650 + ... + 82794426991.

It is an arithmetic number, because the mean of its divisors is an integer number (15399763295706).

Almost surely, 2^{111110120122111} is an apocalyptic number.

111110120122111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111110120122111 is a deficient number, since it is larger than the sum of its proper divisors (12087986243537).

111110120122111 is a wasteful number, since it uses less digits than its factorization.

111110120122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165588852713.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111110120122111 its reverse (111221021011111), we get a palindrome (222331141133222).

It can be divided in two parts, 1111101 and 20122111, that added together give a palindrome (21233212).

The spelling of 111110120122111 in words is "one hundred eleven trillion, one hundred ten billion, one hundred twenty million, one hundred twenty-two thousand, one hundred eleven".