2021010200001 has 12 divisors (see below), whose sum is σ = 3143793644628. Its totient is φ = 1243698584544.

The previous prime is 2021010199993. The next prime is 2021010200039. The reversal of 2021010200001 is 1000020101202.

It can be written as a sum of positive squares in 2 ways, for example, as 1114850898225 + 906159301776 = 1055865^2 + 951924^2 .

It is not a de Polignac number, because 2021010200001 - 2³ = 2021010199993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2021010280001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8636795610 + ... + 8636795843.

It is an arithmetic number, because the mean of its divisors is an integer number (261982803719).

Almost surely, 2^{2021010200001} is an apocalyptic number.

It is an amenable number.

2021010200001 is a deficient number, since it is larger than the sum of its proper divisors (1122783444627).

2021010200001 is a wasteful number, since it uses less digits than its factorization.

2021010200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17273591472 (or 17273591469 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2021010200001 its reverse (1000020101202), we get a palindrome (3021030301203).

The spelling of 2021010200001 in words is "two trillion, twenty-one billion, ten million, two hundred thousand, one".