2211223133213 has 4 divisors (see below), whose sum is σ = 2231888770080. Its totient is φ = 2190557496348.

The previous prime is 2211223133209. The next prime is 2211223133261. The reversal of 2211223133213 is 3123313221122.

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 a cyclic number.

It is not a de Polignac number, because 2211223133213 - 2² = 2211223133209 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 (2211223133113) 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, 10332818273 + ... + 10332818486.

It is an arithmetic number, because the mean of its divisors is an integer number (557972192520).

Almost surely, 2^{2211223133213} is an apocalyptic number.

It is an amenable number.

2211223133213 is a deficient number, since it is larger than the sum of its proper divisors (20665636867).

2211223133213 is a wasteful number, since it uses less digits than its factorization.

2211223133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20665636866.

The product of its digits is 2592, while the sum is 26.

Adding to 2211223133213 its reverse (3123313221122), we get a palindrome (5334536354335).

The spelling of 2211223133213 in words is "two trillion, two hundred eleven billion, two hundred twenty-three million, one hundred thirty-three thousand, two hundred thirteen".