11011011203 has 8 divisors (see below), whose sum is σ = 11136736800. Its totient is φ = 10885330368.

The previous prime is 11011011173. The next prime is 11011011227. The reversal of 11011011203 is 30211011011.

It is a happy number.

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 11011011203 - 2¹² = 11011007107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011019203) 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, 922250 + ... + 934112.

It is an arithmetic number, because the mean of its divisors is an integer number (1392092100).

Almost surely, 2^11011011203 is an apocalyptic number.

11011011203 is a deficient number, since it is larger than the sum of its proper divisors (125725597).

11011011203 is a wasteful number, since it uses less digits than its factorization.

11011011203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22381.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11011011203 its reverse (30211011011), we get a palindrome (41222022214).

The spelling of 11011011203 in words is "eleven billion, eleven million, eleven thousand, two hundred three".