4211221220201 has 8 divisors (see below), whose sum is σ = 4221970711200. Its totient is φ = 4200477820672.

The previous prime is 4211221220189. The next prime is 4211221220257. The reversal of 4211221220201 is 1020221221124.

It is a happy number.

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 4211221220201 - 2³⁰ = 4210147478377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4211221220281) 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, 136835 + ... + 2905368.

It is an arithmetic number, because the mean of its divisors is an integer number (527746338900).

Almost surely, 2^{4211221220201} is an apocalyptic number.

It is an amenable number.

4211221220201 is a deficient number, since it is larger than the sum of its proper divisors (10749490999).

4211221220201 is a wasteful number, since it uses less digits than its factorization.

4211221220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045735.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 4211221220201 its reverse (1020221221124), we get a palindrome (5231442441325).

The spelling of 4211221220201 in words is "four trillion, two hundred eleven billion, two hundred twenty-one million, two hundred twenty thousand, two hundred one".