212101020002001 has 32 divisors (see below), whose sum is σ = 323132486277888. Its totient is φ = 122593589268480.

The previous prime is 212101020001951. The next prime is 212101020002029. The reversal of 212101020002001 is 100200020101212.

It is not a de Polignac number, because 212101020002001 - 2¹⁰ = 212101020000977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212101020002801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328127880 + ... + 328773641.

It is an arithmetic number, because the mean of its divisors is an integer number (10097890196184).

Almost surely, 2^{212101020002001} is an apocalyptic number.

It is an amenable number.

212101020002001 is a deficient number, since it is larger than the sum of its proper divisors (111031466275887).

212101020002001 is a wasteful number, since it uses less digits than its factorization.

212101020002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656902041.

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

Adding to 212101020002001 its reverse (100200020101212), we get a palindrome (312301040103213).

The spelling of 212101020002001 in words is "two hundred twelve trillion, one hundred one billion, twenty million, two thousand, one".