1011101103 has 16 divisors (see below), whose sum is σ = 1515978240. Its totient is φ = 665944632.

The previous prime is 1011101089. The next prime is 1011101107. The reversal of 1011101103 is 3011011101.

It is not a de Polignac number, because 1011101103 - 2¹³ = 1011092911 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 (1011101107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223351 + ... + 227832.

It is an arithmetic number, because the mean of its divisors is an integer number (94748640).

Almost surely, 2^1011101103 is an apocalyptic number.

1011101103 is a deficient number, since it is larger than the sum of its proper divisors (504877137).

1011101103 is an equidigital number, since it uses as much as digits as its factorization.

1011101103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451275 (or 451269 counting only the distinct ones).

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

The square root of 1011101103 is about 31797.8160099086. The cubic root of 1011101103 is about 1003.6867587727.

Adding to 1011101103 its reverse (3011011101), we get a palindrome (4022112204).

The spelling of 1011101103 in words is "one billion, eleven million, one hundred one thousand, one hundred three".