11011211201203 has 8 divisors (see below), whose sum is σ = 11037960561600. Its totient is φ = 10984464077928.

The previous prime is 11011211201191. The next prime is 11011211201209. The reversal of 11011211201203 is 30210211211011.

It is a happy number.

11011211201203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011211201203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011211201209) 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, 9516900 + ... + 10611022.

It is an arithmetic number, because the mean of its divisors is an integer number (1379745070200).

Almost surely, 2^{11011211201203} is an apocalyptic number.

11011211201203 is a deficient number, since it is larger than the sum of its proper divisors (26749360397).

11011211201203 is a wasteful number, since it uses less digits than its factorization.

11011211201203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118561.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11011211201203 its reverse (30210211211011), we get a palindrome (41221422412214).

The spelling of 11011211201203 in words is "eleven trillion, eleven billion, two hundred eleven million, two hundred one thousand, two hundred three".