220122222122211 has 4 divisors (see below), whose sum is σ = 293496296162952. Its totient is φ = 146748148081472.

The previous prime is 220122222122203. The next prime is 220122222122221. The reversal of 220122222122211 is 112221222221022.

It is a happy number.

220122222122211 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 220122222122211 - 2³ = 220122222122203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220122222122221) 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, 36687037020366 + ... + 36687037020371.

It is an arithmetic number, because the mean of its divisors is an integer number (73374074040738).

Almost surely, 2^{220122222122211} is an apocalyptic number.

220122222122211 is a deficient number, since it is larger than the sum of its proper divisors (73374074040741).

220122222122211 is an equidigital number, since it uses as much as digits as its factorization.

220122222122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73374074040740.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 220122222122211 its reverse (112221222221022), we get a palindrome (332343444343233).

The spelling of 220122222122211 in words is "two hundred twenty trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred eleven".