213797221102043 has 2 divisors, whose sum is σ = 213797221102044. Its totient is φ = 213797221102042.

The previous prime is 213797221102019. The next prime is 213797221102099. The reversal of 213797221102043 is 340201122797312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213797221102043 - 2⁸ = 213797221101787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213797221101985 and 213797221102003.

It is not a weakly prime, because it can be changed into another prime (213797221102343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106898610551021 + 106898610551022.

It is an arithmetic number, because the mean of its divisors is an integer number (106898610551022).

Almost surely, 2^{213797221102043} is an apocalyptic number.

213797221102043 is a deficient number, since it is larger than the sum of its proper divisors (1).

213797221102043 is an equidigital number, since it uses as much as digits as its factorization.

213797221102043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

Adding to 213797221102043 its reverse (340201122797312), we get a palindrome (553998343899355).

The spelling of 213797221102043 in words is "two hundred thirteen trillion, seven hundred ninety-seven billion, two hundred twenty-one million, one hundred two thousand, forty-three".