212011222120253 has 2 divisors, whose sum is σ = 212011222120254. Its totient is φ = 212011222120252.

The previous prime is 212011222120151. The next prime is 212011222120301. The reversal of 212011222120253 is 352021222110212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109404006171769 + 102607215948484 = 10459637^2 + 10129522^2 .

It is a cyclic number.

It is not a de Polignac number, because 212011222120253 - 2²⁴ = 212011205343037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212011222120553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005611060126 + 106005611060127.

It is an arithmetic number, because the mean of its divisors is an integer number (106005611060127).

Almost surely, 2^{212011222120253} is an apocalyptic number.

It is an amenable number.

212011222120253 is a deficient number, since it is larger than the sum of its proper divisors (1).

212011222120253 is an equidigital number, since it uses as much as digits as its factorization.

212011222120253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 212011222120253 its reverse (352021222110212), we get a palindrome (564032444230465).

The spelling of 212011222120253 in words is "two hundred twelve trillion, eleven billion, two hundred twenty-two million, one hundred twenty thousand, two hundred fifty-three".