1012201221701 has 2 divisors, whose sum is σ = 1012201221702. Its totient is φ = 1012201221700.

The previous prime is 1012201221679. The next prime is 1012201221719. The reversal of 1012201221701 is 1071221022101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 941819784676 + 70381437025 = 970474^2 + 265295^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012201221701 - 2⁶ = 1012201221637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012201221721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506100610850 + 506100610851.

It is an arithmetic number, because the mean of its divisors is an integer number (506100610851).

Almost surely, 2^{1012201221701} is an apocalyptic number.

It is an amenable number.

1012201221701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012201221701 is an equidigital number, since it uses as much as digits as its factorization.

1012201221701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 1012201221701 its reverse (1071221022101), we get a palindrome (2083422243802).

The spelling of 1012201221701 in words is "one trillion, twelve billion, two hundred one million, two hundred twenty-one thousand, seven hundred one".