212101020021201 has 8 divisors (see below), whose sum is σ = 290444640029184. Its totient is φ = 137579040013680.

The previous prime is 212101020021199. The next prime is 212101020021223. The reversal of 212101020021201 is 102120020101212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212101020021201 - 2¹ = 212101020021199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212101020021251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955409999985 + ... + 955410000206.

It is an arithmetic number, because the mean of its divisors is an integer number (36305580003648).

Almost surely, 2^{212101020021201} is an apocalyptic number.

It is an amenable number.

212101020021201 is a deficient number, since it is larger than the sum of its proper divisors (78343620007983).

212101020021201 is a wasteful number, since it uses less digits than its factorization.

212101020021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910820000231.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212101020021201 its reverse (102120020101212), we get a palindrome (314221040122413).

The spelling of 212101020021201 in words is "two hundred twelve trillion, one hundred one billion, twenty million, twenty-one thousand, two hundred one".