2020001021201 has 2 divisors, whose sum is σ = 2020001021202. Its totient is φ = 2020001021200.

The previous prime is 2020001021167. The next prime is 2020001021221. The reversal of 2020001021201 is 1021201000202.

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., 1371887468176 + 648113553025 = 1171276^2 + 805055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020001021201 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2020001021221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010000510600 + 1010000510601.

It is an arithmetic number, because the mean of its divisors is an integer number (1010000510601).

Almost surely, 2^{2020001021201} is an apocalyptic number.

It is an amenable number.

2020001021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020001021201 is an equidigital number, since it uses as much as digits as its factorization.

2020001021201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2020001021201 its reverse (1021201000202), we get a palindrome (3041202021403).

The spelling of 2020001021201 in words is "two trillion, twenty billion, one million, twenty-one thousand, two hundred one".