220122012111211 has 8 divisors (see below), whose sum is σ = 251568138301920. Its totient is φ = 188675917035648.

The previous prime is 220122012111191. The next prime is 220122012111229. The reversal of 220122012111211 is 112111210221022.

It is a happy number.

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

It is not a de Polignac number, because 220122012111211 - 2¹⁵ = 220122012078443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220122012111241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10129185 + ... + 23299021.

It is an arithmetic number, because the mean of its divisors is an integer number (31446017287740).

Almost surely, 2^{220122012111211} is an apocalyptic number.

220122012111211 is a deficient number, since it is larger than the sum of its proper divisors (31446126190709).

220122012111211 is a wasteful number, since it uses less digits than its factorization.

220122012111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15557573.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 220122012111211 its reverse (112111210221022), we get a palindrome (332233222332233).

The spelling of 220122012111211 in words is "two hundred twenty trillion, one hundred twenty-two billion, twelve million, one hundred eleven thousand, two hundred eleven".