110111121 has 6 divisors (see below), whose sum is σ = 159049410. Its totient is φ = 73407408.

The previous prime is 110111119. The next prime is 110111153. The reversal of 110111121 is 121111011.

It can be written as a sum of positive squares in only one way, i.e., 80299521 + 29811600 = 8961^2 + 5460^2 .

It is not a de Polignac number, because 110111121 - 2¹ = 110111119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 12234569 = 110111121 / (1 + 1 + 0 + 1 + 1 + 1 + 1 + 2 + 1).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (110111171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6117276 + ... + 6117293.

It is an arithmetic number, because the mean of its divisors is an integer number (26508235).

Almost surely, 2^110111121 is an apocalyptic number.

It is an amenable number.

110111121 is a deficient number, since it is larger than the sum of its proper divisors (48938289).

110111121 is a wasteful number, since it uses less digits than its factorization.

110111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12234575 (or 12234572 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

The square root of 110111121 is about 10493.3846303278. The cubic root of 110111121 is about 479.3032730342.

Adding to 110111121 its reverse (121111011), we get a palindrome (231222132).

It can be divided in two parts, 1101 and 11121, that multiplied together give a palindrome (12244221).

The spelling of 110111121 in words is "one hundred ten million, one hundred eleven thousand, one hundred twenty-one".