110001121 has 4 divisors (see below), whose sum is σ = 110609044. Its totient is φ = 109393200.

The previous prime is 110001119. The next prime is 110001131. The reversal of 110001121 is 121100011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56550400 + 53450721 = 7520^2 + 7311^2 .

It is a cyclic number.

It is not a de Polignac number, because 110001121 - 2¹ = 110001119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110001131) 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, 303690 + ... + 304051.

It is an arithmetic number, because the mean of its divisors is an integer number (27652261).

Almost surely, 2^110001121 is an apocalyptic number.

It is an amenable number.

110001121 is a deficient number, since it is larger than the sum of its proper divisors (607923).

110001121 is an equidigital number, since it uses as much as digits as its factorization.

110001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607922.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 110001121 is about 10488.1419231435. The cubic root of 110001121 is about 479.1436133316.

Adding to 110001121 its reverse (121100011), we get a palindrome (231101132).

It can be divided in two parts, 11000 and 1121, that added together give a palindrome (12121).

The spelling of 110001121 in words is "one hundred ten million, one thousand, one hundred twenty-one".