2213031333221 has 16 divisors (see below), whose sum is σ = 2269683218880. Its totient is φ = 2156508055680.

The previous prime is 2213031333217. The next prime is 2213031333259. The reversal of 2213031333221 is 1223331303122.

It is a cyclic number.

It is not a de Polignac number, because 2213031333221 - 2² = 2213031333217 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 (2213031333211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294164966 + ... + 294172488.

It is an arithmetic number, because the mean of its divisors is an integer number (141855201180).

Almost surely, 2^{2213031333221} is an apocalyptic number.

It is an amenable number.

2213031333221 is a deficient number, since it is larger than the sum of its proper divisors (56651885659).

2213031333221 is a wasteful number, since it uses less digits than its factorization.

2213031333221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15076.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2213031333221 its reverse (1223331303122), we get a palindrome (3436362636343).

The spelling of 2213031333221 in words is "two trillion, two hundred thirteen billion, thirty-one million, three hundred thirty-three thousand, two hundred twenty-one".