1100201103 has 16 divisors (see below), whose sum is σ = 1631208960. Its totient is φ = 732890808.

The previous prime is 1100201077. The next prime is 1100201107. The reversal of 1100201103 is 3011020011.

It is not a de Polignac number, because 1100201103 - 2¹³ = 1100192911 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 (1100201107) 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, 20476 + ... + 51182.

It is an arithmetic number, because the mean of its divisors is an integer number (101950560).

Almost surely, 2^1100201103 is an apocalyptic number.

1100201103 is a deficient number, since it is larger than the sum of its proper divisors (531007857).

1100201103 is a wasteful number, since it uses less digits than its factorization.

1100201103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32043 (or 32037 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1100201103 is about 33169.2795067966. The cubic root of 1100201103 is about 1032.3430190862.

Adding to 1100201103 its reverse (3011020011), we get a palindrome (4111221114).

The spelling of 1100201103 in words is "one billion, one hundred million, two hundred one thousand, one hundred three".