1101011103 has 24 divisors (see below), whose sum is σ = 1732732560. Its totient is φ = 690825600.

The previous prime is 1101011083. The next prime is 1101011113. The reversal of 1101011103 is 3011101011.

It is not a de Polignac number, because 1101011103 - 2¹⁶ = 1100945567 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101011113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62748 + ... + 78353.

It is an arithmetic number, because the mean of its divisors is an integer number (72197190).

Almost surely, 2^1101011103 is an apocalyptic number.

1101011103 is a deficient number, since it is larger than the sum of its proper divisors (631721457).

1101011103 is a wasteful number, since it uses less digits than its factorization.

1101011103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141144 (or 141121 counting only the distinct ones).

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

The square root of 1101011103 is about 33181.4873536434. The cubic root of 1101011103 is about 1032.5963039072.

Adding to 1101011103 its reverse (3011101011), we get a palindrome (4112112114).

The spelling of 1101011103 in words is "one billion, one hundred one million, eleven thousand, one hundred three".