1103012111 has 8 divisors (see below), whose sum is σ = 1163593200. Its totient is φ = 1042683840.

The previous prime is 1103012107. The next prime is 1103012117. The reversal of 1103012111 is 1112103011.

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 1103012111 - 2² = 1103012107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103012092 and 1103012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103012117) 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, 54206 + ... + 71723.

It is an arithmetic number, because the mean of its divisors is an integer number (145449150).

Almost surely, 2^1103012111 is an apocalyptic number.

1103012111 is a deficient number, since it is larger than the sum of its proper divisors (60581089).

1103012111 is a wasteful number, since it uses less digits than its factorization.

1103012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126409.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1103012111 is about 33211.6261420606. The cubic root of 1103012111 is about 1033.2214816728.

Adding to 1103012111 its reverse (1112103011), we get a palindrome (2215115122).

The spelling of 1103012111 in words is "one billion, one hundred three million, twelve thousand, one hundred eleven".