11103113235212 has 24 divisors (see below), whose sum is σ = 20102624357760. Its totient is φ = 5359547432960.

The previous prime is 11103113235173. The next prime is 11103113235217. The reversal of 11103113235212 is 21253231130111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11103113235217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4059893 + ... + 6220044.

It is an arithmetic number, because the mean of its divisors is an integer number (837609348240).

Almost surely, 2^{11103113235212} is an apocalyptic number.

It is an amenable number.

11103113235212 is a deficient number, since it is larger than the sum of its proper divisors (8999511122548).

11103113235212 is a wasteful number, since it uses less digits than its factorization.

11103113235212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10289281 (or 10289279 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 11103113235212 its reverse (21253231130111), we get a palindrome (32356344365323).

The spelling of 11103113235212 in words is "eleven trillion, one hundred three billion, one hundred thirteen million, two hundred thirty-five thousand, two hundred twelve".