212020001120221 has 8 divisors (see below), whose sum is σ = 242330642982720. Its totient is φ = 181714876826208.

The previous prime is 212020001120203. The next prime is 212020001120237. The reversal of 212020001120221 is 122021100020212.

It is a happy number.

212020001120221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 212020001120221 - 2⁴¹ = 209820977864669 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212020001120195 and 212020001120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020001129221) 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, 1379309776 + ... + 1379463481.

It is an arithmetic number, because the mean of its divisors is an integer number (30291330372840).

Almost surely, 2^{212020001120221} is an apocalyptic number.

It is an amenable number.

212020001120221 is a deficient number, since it is larger than the sum of its proper divisors (30310641862499).

212020001120221 is a wasteful number, since it uses less digits than its factorization.

212020001120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758784243.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212020001120221 its reverse (122021100020212), we get a palindrome (334041101140433).

The spelling of 212020001120221 in words is "two hundred twelve trillion, twenty billion, one million, one hundred twenty thousand, two hundred twenty-one".