201220120212211 has 8 divisors (see below), whose sum is σ = 204178717435760. Its totient is φ = 198266986697472.

The previous prime is 201220120212169. The next prime is 201220120212227. The reversal of 201220120212211 is 112212021022102.

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 201220120212211 - 2¹¹ = 201220120210163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201220120212311) 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, 1365853005 + ... + 1366000318.

It is an arithmetic number, because the mean of its divisors is an integer number (25522339679470).

Almost surely, 2^{201220120212211} is an apocalyptic number.

201220120212211 is a deficient number, since it is larger than the sum of its proper divisors (2958597223549).

201220120212211 is a wasteful number, since it uses less digits than its factorization.

201220120212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731854405.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201220120212211 its reverse (112212021022102), we get a palindrome (313432141234313).

The spelling of 201220120212211 in words is "two hundred one trillion, two hundred twenty billion, one hundred twenty million, two hundred twelve thousand, two hundred eleven".