2011220202005 has 24 divisors (see below), whose sum is σ = 2809431926712. Its totient is φ = 1378173025152.

The previous prime is 2011220202001. The next prime is 2011220202031. The reversal of 2011220202005 is 5002020221102.

It can be written as a sum of positive squares in 4 ways, for example, as 261020853604 + 1750199348401 = 510902^2 + 1322951^2 .

It is not a de Polignac number, because 2011220202005 - 2² = 2011220202001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011220202001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2468882 + ... + 3180851.

It is an arithmetic number, because the mean of its divisors is an integer number (117059663613).

Almost surely, 2^{2011220202005} is an apocalyptic number.

It is an amenable number.

2011220202005 is a deficient number, since it is larger than the sum of its proper divisors (798211724707).

2011220202005 is a wasteful number, since it uses less digits than its factorization.

2011220202005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5651205 (or 5651198 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 2011220202005 its reverse (5002020221102), we get a palindrome (7013240423107).

The spelling of 2011220202005 in words is "two trillion, eleven billion, two hundred twenty million, two hundred two thousand, five".