2011121010011 has 8 divisors (see below), whose sum is σ = 2129751535680. Its totient is φ = 1892527072128.

The previous prime is 2011121010001. The next prime is 2011121010023. The reversal of 2011121010011 is 1100101211102.

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-2011121010011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011121009974 and 2011121010001.

It is not an unprimeable number, because it can be changed into a prime (2011121010001) 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, 9033731 + ... + 9253676.

It is an arithmetic number, because the mean of its divisors is an integer number (266218941960).

Almost surely, 2^{2011121010011} is an apocalyptic number.

2011121010011 is a deficient number, since it is larger than the sum of its proper divisors (118630525669).

2011121010011 is a wasteful number, since it uses less digits than its factorization.

2011121010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18293893.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2011121010011 its reverse (1100101211102), we get a palindrome (3111222221113).

The spelling of 2011121010011 in words is "two trillion, eleven billion, one hundred twenty-one million, ten thousand, eleven".