220111112212211 has 4 divisors (see below), whose sum is σ = 240121213322424. Its totient is φ = 200101011102000.

The previous prime is 220111112212181. The next prime is 220111112212231. The reversal of 220111112212211 is 112212211111022.

It is a happy number.

220111112212211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220111112212211 - 2²² = 220111108017907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220111112212231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10005050555090 + ... + 10005050555111.

It is an arithmetic number, because the mean of its divisors is an integer number (60030303330606).

Almost surely, 2^{220111112212211} is an apocalyptic number.

220111112212211 is a deficient number, since it is larger than the sum of its proper divisors (20010101110213).

220111112212211 is a wasteful number, since it uses less digits than its factorization.

220111112212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20010101110212.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 220111112212211 its reverse (112212211111022), we get a palindrome (332323323323233).

The spelling of 220111112212211 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred twelve million, two hundred twelve thousand, two hundred eleven".