2011222013213 has 24 divisors (see below), whose sum is σ = 2313236052480. Its totient is φ = 1712944548000.

The previous prime is 2011222013209. The next prime is 2011222013279. The reversal of 2011222013213 is 3123102221102.

It is not a de Polignac number, because 2011222013213 - 2² = 2011222013209 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 (2011222003213) 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, 191521463 + ... + 191531963.

It is an arithmetic number, because the mean of its divisors is an integer number (96384835520).

Almost surely, 2^{2011222013213} is an apocalyptic number.

It is an amenable number.

2011222013213 is a deficient number, since it is larger than the sum of its proper divisors (302014039267).

2011222013213 is an equidigital number, since it uses as much as digits as its factorization.

2011222013213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11465 (or 11226 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2011222013213 its reverse (3123102221102), we get a palindrome (5134324234315).

The spelling of 2011222013213 in words is "two trillion, eleven billion, two hundred twenty-two million, thirteen thousand, two hundred thirteen".