2021210012001 has 16 divisors (see below), whose sum is σ = 2702667202560. Its totient is φ = 1343617446480.

The previous prime is 2021210011993. The next prime is 2021210012033. The reversal of 2021210012001 is 1002100121202.

It is not a de Polignac number, because 2021210012001 - 2³ = 2021210011993 is a prime.

It is a super-2 number, since 2×2021210012001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021210012401) 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, 1310416 + ... + 2399918.

It is an arithmetic number, because the mean of its divisors is an integer number (168916700160).

Almost surely, 2^{2021210012001} is an apocalyptic number.

It is an amenable number.

2021210012001 is a deficient number, since it is larger than the sum of its proper divisors (681457190559).

2021210012001 is a wasteful number, since it uses less digits than its factorization.

2021210012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091276.

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

Adding to 2021210012001 its reverse (1002100121202), we get a palindrome (3023310133203).

The spelling of 2021210012001 in words is "two trillion, twenty-one billion, two hundred ten million, twelve thousand, one".