1100110121 has 8 divisors (see below), whose sum is σ = 1211337504. Its totient is φ = 990752320.

The previous prime is 1100110117. The next prime is 1100110129. The reversal of 1100110121 is 1210110011.

It is a happy number.

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 1100110121 - 2² = 1100110117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100110099 and 1100110108.

It is not an unprimeable number, because it can be changed into a prime (1100110129) 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, 466160 + ... + 468513.

It is an arithmetic number, because the mean of its divisors is an integer number (151417188).

Almost surely, 2^1100110121 is an apocalyptic number.

1100110121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100110121 is a deficient number, since it is larger than the sum of its proper divisors (111227383).

1100110121 is a wasteful number, since it uses less digits than its factorization.

1100110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934791.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1100110121 is about 33167.9079985458. The cubic root of 1100110121 is about 1032.3145614944.

Adding to 1100110121 its reverse (1210110011), we get a palindrome (2310220132).

The spelling of 1100110121 in words is "one billion, one hundred million, one hundred ten thousand, one hundred twenty-one".