213222322202231 has 2 divisors, whose sum is σ = 213222322202232. Its totient is φ = 213222322202230.

The previous prime is 213222322202221. The next prime is 213222322202243. The reversal of 213222322202231 is 132202223222312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213222322202231 - 2⁶ = 213222322202167 is a prime.

It is a super-2 number, since 2×213222322202231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213222322202194 and 213222322202203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213222322202221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106611161101115 + 106611161101116.

It is an arithmetic number, because the mean of its divisors is an integer number (106611161101116).

Almost surely, 2^{213222322202231} is an apocalyptic number.

213222322202231 is a deficient number, since it is larger than the sum of its proper divisors (1).

213222322202231 is an equidigital number, since it uses as much as digits as its factorization.

213222322202231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 213222322202231 its reverse (132202223222312), we get a palindrome (345424545424543).

The spelling of 213222322202231 in words is "two hundred thirteen trillion, two hundred twenty-two billion, three hundred twenty-two million, two hundred two thousand, two hundred thirty-one".