20020211012201 has 6 divisors (see below), whose sum is σ = 20734368361902. Its totient is φ = 19329858907520.

The previous prime is 20020211012171. The next prime is 20020211012231. The reversal of 20020211012201 is 10221011202002.

It is an interprime number because it is at equal distance from previous prime (20020211012171) and next prime (20020211012231).

It can be written as a sum of positive squares in 3 ways, for example, as 5914740736576 + 14105470275625 = 2432024^2 + 3755725^2 .

It is not a de Polignac number, because 20020211012201 - 2²⁶ = 20020143903337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020211012231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11902621640 + ... + 11902623321.

It is an arithmetic number, because the mean of its divisors is an integer number (3455728060317).

Almost surely, 2^{20020211012201} is an apocalyptic number.

It is an amenable number.

20020211012201 is a deficient number, since it is larger than the sum of its proper divisors (714157349701).

20020211012201 is an equidigital number, since it uses as much as digits as its factorization.

20020211012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23805245019 (or 23805244990 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20020211012201 its reverse (10221011202002), we get a palindrome (30241222214203).

The spelling of 20020211012201 in words is "twenty trillion, twenty billion, two hundred eleven million, twelve thousand, two hundred one".