213122242201277 has 2 divisors, whose sum is σ = 213122242201278. Its totient is φ = 213122242201276.

The previous prime is 213122242201273. The next prime is 213122242201303. The reversal of 213122242201277 is 772102242221312.

213122242201277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195949995189796 + 17172247011481 = 13998214^2 + 4143941^2 .

It is a cyclic number.

It is not a de Polignac number, because 213122242201277 - 2² = 213122242201273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213122242201277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213122242201273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106561121100638 + 106561121100639.

It is an arithmetic number, because the mean of its divisors is an integer number (106561121100639).

Almost surely, 2^{213122242201277} is an apocalyptic number.

It is an amenable number.

213122242201277 is a deficient number, since it is larger than the sum of its proper divisors (1).

213122242201277 is an equidigital number, since it uses as much as digits as its factorization.

213122242201277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 38.

Adding to 213122242201277 its reverse (772102242221312), we get a palindrome (985224484422589).

The spelling of 213122242201277 in words is "two hundred thirteen trillion, one hundred twenty-two billion, two hundred forty-two million, two hundred one thousand, two hundred seventy-seven".