212100020210001 has 32 divisors (see below), whose sum is σ = 352585363350528. Its totient is φ = 110180731314240.

The previous prime is 212100020209943. The next prime is 212100020210027. The reversal of 212100020210001 is 100012020001212.

It is not a de Polignac number, because 212100020210001 - 2²² = 212100016015697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212100020210801) 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, 18932530 + ... + 27975716.

It is an arithmetic number, because the mean of its divisors is an integer number (11018292604704).

Almost surely, 2^{212100020210001} is an apocalyptic number.

212100020210001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212100020210001 is a deficient number, since it is larger than the sum of its proper divisors (140485343140527).

212100020210001 is a wasteful number, since it uses less digits than its factorization.

212100020210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9144741.

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

Adding to 212100020210001 its reverse (100012020001212), we get a palindrome (312112040211213).

The spelling of 212100020210001 in words is "two hundred twelve trillion, one hundred billion, twenty million, two hundred ten thousand, one".