1100103111 has 6 divisors (see below), whose sum is σ = 1589037840. Its totient is φ = 733402068.

The previous prime is 1100103089. The next prime is 1100103119. The reversal of 1100103111 is 1113010011.

It is not a de Polignac number, because 1100103111 - 2⁵ = 1100103079 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: 122233679 = 1100103111 / (1 + 1 + 0 + 0 + 1 + 0 + 3 + 1 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 1100103093 and 1100103102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100103119) 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, 61116831 + ... + 61116848.

It is an arithmetic number, because the mean of its divisors is an integer number (264839640).

Almost surely, 2^1100103111 is an apocalyptic number.

1100103111 is a deficient number, since it is larger than the sum of its proper divisors (488934729).

1100103111 is a wasteful number, since it uses less digits than its factorization.

1100103111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122233685 (or 122233682 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

The square root of 1100103111 is about 33167.8023239406. The cubic root of 1100103111 is about 1032.3123688228.

Adding to 1100103111 its reverse (1113010011), we get a palindrome (2213113122).

The spelling of 1100103111 in words is "one billion, one hundred million, one hundred three thousand, one hundred eleven".