3011221113213 has 4 divisors (see below), whose sum is σ = 4014961484288. Its totient is φ = 2007480742140.

The previous prime is 3011221113209. The next prime is 3011221113239. The reversal of 3011221113213 is 3123111221103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3011221113213 - 2² = 3011221113209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3011221113213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3011221113293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501870185533 + ... + 501870185538.

It is an arithmetic number, because the mean of its divisors is an integer number (1003740371072).

Almost surely, 2^{3011221113213} is an apocalyptic number.

It is an amenable number.

3011221113213 is a deficient number, since it is larger than the sum of its proper divisors (1003740371075).

3011221113213 is a wasteful number, since it uses less digits than its factorization.

3011221113213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003740371074.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 3011221113213 its reverse (3123111221103), we get a palindrome (6134332334316).

The spelling of 3011221113213 in words is "three trillion, eleven billion, two hundred twenty-one million, one hundred thirteen thousand, two hundred thirteen".