201100220200221 has 8 divisors (see below), whose sum is σ = 268134002721504. Its totient is φ = 134066625572880.

The previous prime is 201100220200213. The next prime is 201100220200223. The reversal of 201100220200221 is 122002022001102.

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

It is not a de Polignac number, because 201100220200221 - 2³ = 201100220200213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201100220200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100220200223) 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, 44456890 + ... + 48771051.

It is an arithmetic number, because the mean of its divisors is an integer number (33516750340188).

Almost surely, 2^{201100220200221} is an apocalyptic number.

It is an amenable number.

201100220200221 is a deficient number, since it is larger than the sum of its proper divisors (67033782521283).

201100220200221 is an equidigital number, since it uses as much as digits as its factorization.

201100220200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93946971.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201100220200221 its reverse (122002022001102), we get a palindrome (323102242201323).

The spelling of 201100220200221 in words is "two hundred one trillion, one hundred billion, two hundred twenty million, two hundred thousand, two hundred twenty-one".