11103003212 has 24 divisors (see below), whose sum is σ = 23512243104. Its totient is φ = 4478522112.

The previous prime is 11103003173. The next prime is 11103003221. The reversal of 11103003212 is 21230030111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11662343 + ... + 11663294.

It is an arithmetic number, because the mean of its divisors is an integer number (979676796).

Almost surely, 2^11103003212 is an apocalyptic number.

It is an amenable number.

11103003212 is an abundant number, since it is smaller than the sum of its proper divisors (12409239892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11103003212 is a wasteful number, since it uses less digits than its factorization.

11103003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23325665 (or 23325663 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11103003212 its reverse (21230030111), we get a palindrome (32333033323).

The spelling of 11103003212 in words is "eleven billion, one hundred three million, three thousand, two hundred twelve".