20110211110011 has 16 divisors (see below), whose sum is σ = 29251382313600. Its totient is φ = 12187937502720.

The previous prime is 20110211110001. The next prime is 20110211110021. The reversal of 20110211110011 is 11001111201102.

It is an interprime number because it is at equal distance from previous prime (20110211110001) and next prime (20110211110021).

It is a de Polignac number, because none of the positive numbers 2^k-20110211110011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20110211110001) 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, 4501876 + ... + 7777358.

It is an arithmetic number, because the mean of its divisors is an integer number (1828211394600).

Almost surely, 2^{20110211110011} is an apocalyptic number.

20110211110011 is a deficient number, since it is larger than the sum of its proper divisors (9141171203589).

20110211110011 is a wasteful number, since it uses less digits than its factorization.

20110211110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461546.

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

Adding to 20110211110011 its reverse (11001111201102), we get a palindrome (31111322311113).

The spelling of 20110211110011 in words is "twenty trillion, one hundred ten billion, two hundred eleven million, one hundred ten thousand, eleven".