2020211100001 has 4 divisors (see below), whose sum is σ = 2038745146900. Its totient is φ = 2001677053104.

The previous prime is 2020211099927. The next prime is 2020211100041. The reversal of 2020211100001 is 1000011120202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1201656632401 + 818554467600 = 1096201^2 + 904740^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020211100001 - 2³¹ = 2018063616353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020211100041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9267023286 + ... + 9267023503.

It is an arithmetic number, because the mean of its divisors is an integer number (509686286725).

Almost surely, 2^{2020211100001} is an apocalyptic number.

It is an amenable number.

2020211100001 is a deficient number, since it is larger than the sum of its proper divisors (18534046899).

2020211100001 is a wasteful number, since it uses less digits than its factorization.

2020211100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18534046898.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2020211100001 its reverse (1000011120202), we get a palindrome (3020222220203).

It can be divided in two parts, 2020211 and 100001, that added together give a palindrome (2120212).

The spelling of 2020211100001 in words is "two trillion, twenty billion, two hundred eleven million, one hundred thousand, one".