213112222223071 has 2 divisors, whose sum is σ = 213112222223072. Its totient is φ = 213112222223070.

The previous prime is 213112222223053. The next prime is 213112222223161. The reversal of 213112222223071 is 170322222211312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213112222223071 - 2²¹ = 213112220125919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213112222223471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106556111111535 + 106556111111536.

It is an arithmetic number, because the mean of its divisors is an integer number (106556111111536).

Almost surely, 2^{213112222223071} is an apocalyptic number.

213112222223071 is a deficient number, since it is larger than the sum of its proper divisors (1).

213112222223071 is an equidigital number, since it uses as much as digits as its factorization.

213112222223071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 213112222223071 its reverse (170322222211312), we get a palindrome (383434444434383).

The spelling of 213112222223071 in words is "two hundred thirteen trillion, one hundred twelve billion, two hundred twenty-two million, two hundred twenty-three thousand, seventy-one".