211332221313321 has 16 divisors (see below), whose sum is σ = 282216496664000. Its totient is φ = 140668211815488.

The previous prime is 211332221313281. The next prime is 211332221313443. The reversal of 211332221313321 is 123313122233112.

It is a happy number.

It is not a de Polignac number, because 211332221313321 - 2¹⁰ = 211332221312297 is a prime.

It is a super-2 number, since 2×211332221313321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211332221313221) 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, 15509971 + ... + 25753128.

It is an arithmetic number, because the mean of its divisors is an integer number (17638531041500).

Almost surely, 2^{211332221313321} is an apocalyptic number.

It is an amenable number.

211332221313321 is a deficient number, since it is larger than the sum of its proper divisors (70884275350679).

211332221313321 is a wasteful number, since it uses less digits than its factorization.

211332221313321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41265768.

The product of its digits is 7776, while the sum is 30.

Adding to 211332221313321 its reverse (123313122233112), we get a palindrome (334645343546433).

The spelling of 211332221313321 in words is "two hundred eleven trillion, three hundred thirty-two billion, two hundred twenty-one million, three hundred thirteen thousand, three hundred twenty-one".