213141102077 has 2 divisors, whose sum is σ = 213141102078. Its totient is φ = 213141102076.

The previous prime is 213141102073. The next prime is 213141102107. The reversal of 213141102077 is 770201141312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194153915641 + 18987186436 = 440629^2 + 137794^2 .

It is a cyclic number.

It is not a de Polignac number, because 213141102077 - 2² = 213141102073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213141102071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106570551038 + 106570551039.

It is an arithmetic number, because the mean of its divisors is an integer number (106570551039).

Almost surely, 2^213141102077 is an apocalyptic number.

It is an amenable number.

213141102077 is a deficient number, since it is larger than the sum of its proper divisors (1).

213141102077 is an equidigital number, since it uses as much as digits as its factorization.

213141102077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 29.

Adding to 213141102077 its reverse (770201141312), we get a palindrome (983342243389).

The spelling of 213141102077 in words is "two hundred thirteen billion, one hundred forty-one million, one hundred two thousand, seventy-seven".