20102011111011 has 16 divisors (see below), whose sum is σ = 27264951256320. Its totient is φ = 13170338970720.

The previous prime is 20102011110997. The next prime is 20102011111031. The reversal of 20102011111011 is 11011111020102.

It is not a de Polignac number, because 20102011111011 - 2¹⁰ = 20102011109987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20102011111031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16033855 + ... + 17242056.

It is an arithmetic number, because the mean of its divisors is an integer number (1704059453520).

Almost surely, 2^{20102011111011} is an apocalyptic number.

20102011111011 is a deficient number, since it is larger than the sum of its proper divisors (7162940145309).

20102011111011 is a wasteful number, since it uses less digits than its factorization.

20102011111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33279386.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 20102011111011 its reverse (11011111020102), we get a palindrome (31113122131113).

Subtracting from 20102011111011 its reverse (11011111020102), we obtain a palindrome (9090900090909).

The spelling of 20102011111011 in words is "twenty trillion, one hundred two billion, eleven million, one hundred eleven thousand, eleven".