32221211212231 has 2 divisors, whose sum is σ = 32221211212232. Its totient is φ = 32221211212230.

The previous prime is 32221211212217. The next prime is 32221211212241. The reversal of 32221211212231 is 13221211212223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32221211212231 - 2⁷ = 32221211212103 is a prime.

It is a super-2 number, since 2×32221211212231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32221211212196 and 32221211212205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32221211212241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16110605606115 + 16110605606116.

It is an arithmetic number, because the mean of its divisors is an integer number (16110605606116).

Almost surely, 2^{32221211212231} is an apocalyptic number.

32221211212231 is a deficient number, since it is larger than the sum of its proper divisors (1).

32221211212231 is an equidigital number, since it uses as much as digits as its factorization.

32221211212231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 25.

Adding to 32221211212231 its reverse (13221211212223), we get a palindrome (45442422424454).

The spelling of 32221211212231 in words is "thirty-two trillion, two hundred twenty-one billion, two hundred eleven million, two hundred twelve thousand, two hundred thirty-one".