2021002011201 has 16 divisors (see below), whose sum is σ = 2725983590400. Its totient is φ = 1331756431488.

The previous prime is 2021002011151. The next prime is 2021002011251. The reversal of 2021002011201 is 1021102001202.

It is an interprime number because it is at equal distance from previous prime (2021002011151) and next prime (2021002011251).

It is not a de Polignac number, because 2021002011201 - 2⁶ = 2021002011137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021002011251) 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 15 ways as a sum of consecutive naturals, for example, 9757116 + ... + 9962093.

It is an arithmetic number, because the mean of its divisors is an integer number (170373974400).

Almost surely, 2^{2021002011201} is an apocalyptic number.

It is an amenable number.

2021002011201 is a deficient number, since it is larger than the sum of its proper divisors (704981579199).

2021002011201 is a wasteful number, since it uses less digits than its factorization.

2021002011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19719608.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2021002011201 its reverse (1021102001202), we get a palindrome (3042104012403).

Subtracting from 2021002011201 its reverse (1021102001202), we obtain a palindrome (999900009999).

The spelling of 2021002011201 in words is "two trillion, twenty-one billion, two million, eleven thousand, two hundred one".