11000012103 has 6 divisors (see below), whose sum is σ = 15888906384. Its totient is φ = 7333341396.

The previous prime is 11000012063. The next prime is 11000012119. The reversal of 11000012103 is 30121000011.

It is not a de Polignac number, because 11000012103 - 2²⁴ = 10983234887 is a prime.

It is a super-2 number, since 2×11000012103² (a number of 21 digits) contains 22 as substring.

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: 1222223567 = 11000012103 / (1 + 1 + 0 + 0 + 0 + 0 + 1 + 2 + 1 + 0 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000012123) 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, 611111775 + ... + 611111792.

It is an arithmetic number, because the mean of its divisors is an integer number (2648151064).

Almost surely, 2^11000012103 is an apocalyptic number.

11000012103 is a deficient number, since it is larger than the sum of its proper divisors (4888894281).

11000012103 is a wasteful number, since it uses less digits than its factorization.

11000012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222223573 (or 1222223570 counting only the distinct ones).

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

Adding to 11000012103 its reverse (30121000011), we get a palindrome (41121012114).

The spelling of 11000012103 in words is "eleven billion, twelve thousand, one hundred three".