20110211022011 has 48 divisors (see below), whose sum is σ = 23942770145280. Its totient is φ = 16828483689600.

The previous prime is 20110211022001. The next prime is 20110211022059. The reversal of 20110211022011 is 11022011201102.

It is not a de Polignac number, because 20110211022011 - 2¹⁴ = 20110211005627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110211022001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14791751 + ... + 16093983.

It is an arithmetic number, because the mean of its divisors is an integer number (498807711360).

Almost surely, 2^{20110211022011} is an apocalyptic number.

20110211022011 is a deficient number, since it is larger than the sum of its proper divisors (3832559123269).

20110211022011 is a wasteful number, since it uses less digits than its factorization.

20110211022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302488 (or 1302477 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20110211022011 its reverse (11022011201102), we get a palindrome (31132222223113).

It can be divided in two parts, 201102 and 11022011, that multiplied together give a palindrome (2216548456122).

The spelling of 20110211022011 in words is "twenty trillion, one hundred ten billion, two hundred eleven million, twenty-two thousand, eleven".