201220320322211 has 8 divisors (see below), whose sum is σ = 201266134884864. Its totient is φ = 201174508578760.

The previous prime is 201220320322171. The next prime is 201220320322213. The reversal of 201220320322211 is 112223023022102.

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 201220320322211 - 2²² = 201220316127907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201220320322213) 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, 145502546 + ... + 146878968.

It is an arithmetic number, because the mean of its divisors is an integer number (25158266860608).

Almost surely, 2^{201220320322211} is an apocalyptic number.

201220320322211 is a deficient number, since it is larger than the sum of its proper divisors (45814562653).

201220320322211 is a wasteful number, since it uses less digits than its factorization.

201220320322211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409601.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 201220320322211 its reverse (112223023022102), we get a palindrome (313443343344313).

The spelling of 201220320322211 in words is "two hundred one trillion, two hundred twenty billion, three hundred twenty million, three hundred twenty-two thousand, two hundred eleven".