11020331112011 has 8 divisors (see below), whose sum is σ = 12384051015840. Its totient is φ = 9730325797632.

The previous prime is 11020331112001. The next prime is 11020331112013. The reversal of 11020331112011 is 11021113302011.

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-11020331112011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020331112013) 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, 18428647046 + ... + 18428647643.

It is an arithmetic number, because the mean of its divisors is an integer number (1548006376980).

Almost surely, 2^{11020331112011} is an apocalyptic number.

11020331112011 is a deficient number, since it is larger than the sum of its proper divisors (1363719903829).

11020331112011 is a wasteful number, since it uses less digits than its factorization.

11020331112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36857294725.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 11020331112011 its reverse (11021113302011), we get a palindrome (22041444414022).

The spelling of 11020331112011 in words is "eleven trillion, twenty billion, three hundred thirty-one million, one hundred twelve thousand, eleven".