11012311203 has 8 divisors (see below), whose sum is σ = 14686353168. Its totient is φ = 7339905024.

The previous prime is 11012311199. The next prime is 11012311231. The reversal of 11012311203 is 30211321011.

It is a happy number.

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

It is not a de Polignac number, because 11012311203 - 2² = 11012311199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11012311283) 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, 393150 + ... + 420227.

It is an arithmetic number, because the mean of its divisors is an integer number (1835794146).

Almost surely, 2^11012311203 is an apocalyptic number.

11012311203 is a deficient number, since it is larger than the sum of its proper divisors (3674041965).

11012311203 is an equidigital number, since it uses as much as digits as its factorization.

11012311203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817893.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11012311203 its reverse (30211321011), we get a palindrome (41223632214).

The spelling of 11012311203 in words is "eleven billion, twelve million, three hundred eleven thousand, two hundred three".