1101002103 has 6 divisors (see below), whose sum is σ = 1590336384. Its totient is φ = 734001396.

The previous prime is 1101002099. The next prime is 1101002131. The reversal of 1101002103 is 3012001011.

It is not a de Polignac number, because 1101002103 - 2² = 1101002099 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: 122333567 = 1101002103 / (1 + 1 + 0 + 1 + 0 + 0 + 2 + 1 + 0 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101002003) 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, 61166775 + ... + 61166792.

It is an arithmetic number, because the mean of its divisors is an integer number (265056064).

Almost surely, 2^1101002103 is an apocalyptic number.

1101002103 is a deficient number, since it is larger than the sum of its proper divisors (489334281).

1101002103 is a wasteful number, since it uses less digits than its factorization.

1101002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122333573 (or 122333570 counting only the distinct ones).

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

The square root of 1101002103 is about 33181.3517355758. The cubic root of 1101002103 is about 1032.5934903140.

Adding to 1101002103 its reverse (3012001011), we get a palindrome (4113003114).

The spelling of 1101002103 in words is "one billion, one hundred one million, two thousand, one hundred three".