2211231321233 has 4 divisors (see below), whose sum is σ = 2412252350448. Its totient is φ = 2010210292020.

The previous prime is 2211231321149. The next prime is 2211231321239. The reversal of 2211231321233 is 3321231321122.

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 2211231321233 - 2¹² = 2211231317137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211231321239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100510514591 + ... + 100510514612.

It is an arithmetic number, because the mean of its divisors is an integer number (603063087612).

Almost surely, 2^{2211231321233} is an apocalyptic number.

It is an amenable number.

2211231321233 is a deficient number, since it is larger than the sum of its proper divisors (201021029215).

2211231321233 is a wasteful number, since it uses less digits than its factorization.

2211231321233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201021029214.

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

Adding to 2211231321233 its reverse (3321231321122), we get a palindrome (5532462642355).

The spelling of 2211231321233 in words is "two trillion, two hundred eleven billion, two hundred thirty-one million, three hundred twenty-one thousand, two hundred thirty-three".