212101032601 has 2 divisors, whose sum is σ = 212101032602. Its totient is φ = 212101032600.

The previous prime is 212101032589. The next prime is 212101032607. The reversal of 212101032601 is 106230101212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166101078025 + 45999954576 = 407555^2 + 214476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212101032601 is a prime.

It is not a weakly prime, because it can be changed into another prime (212101032607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050516300 + 106050516301.

It is an arithmetic number, because the mean of its divisors is an integer number (106050516301).

Almost surely, 2^212101032601 is an apocalyptic number.

It is an amenable number.

212101032601 is a deficient number, since it is larger than the sum of its proper divisors (1).

212101032601 is an equidigital number, since it uses as much as digits as its factorization.

212101032601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 212101032601 its reverse (106230101212), we get a palindrome (318331133813).

The spelling of 212101032601 in words is "two hundred twelve billion, one hundred one million, thirty-two thousand, six hundred one".