11111012211203 has 8 divisors (see below), whose sum is σ = 11177362796976. Its totient is φ = 11044686052000.

The previous prime is 11111012211199. The next prime is 11111012211329. The reversal of 11111012211203 is 30211221011111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11111012211203 - 2² = 11111012211199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111012211703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5193773 + ... + 7014078.

It is an arithmetic number, because the mean of its divisors is an integer number (1397170349622).

Almost surely, 2^{11111012211203} is an apocalyptic number.

11111012211203 is a deficient number, since it is larger than the sum of its proper divisors (66350585773).

11111012211203 is a wasteful number, since it uses less digits than its factorization.

11111012211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12213285.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11111012211203 its reverse (30211221011111), we get a palindrome (41322233222314).

The spelling of 11111012211203 in words is "eleven trillion, one hundred eleven billion, twelve million, two hundred eleven thousand, two hundred three".