222211120220211 has 4 divisors (see below), whose sum is σ = 296281493626952. Its totient is φ = 148140746813472.

The previous prime is 222211120220209. The next prime is 222211120220227. The reversal of 222211120220211 is 112022021112222.

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

It is not a de Polignac number, because 222211120220211 - 2¹ = 222211120220209 is a prime.

It is a super-2 number, since 2×222211120220211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222211120220611) 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, 37035186703366 + ... + 37035186703371.

It is an arithmetic number, because the mean of its divisors is an integer number (74070373406738).

Almost surely, 2^{222211120220211} is an apocalyptic number.

222211120220211 is a deficient number, since it is larger than the sum of its proper divisors (74070373406741).

222211120220211 is an equidigital number, since it uses as much as digits as its factorization.

222211120220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74070373406740.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222211120220211 its reverse (112022021112222), we get a palindrome (334233141332433).

The spelling of 222211120220211 in words is "two hundred twenty-two trillion, two hundred eleven billion, one hundred twenty million, two hundred twenty thousand, two hundred eleven".