222220211121211 has 8 divisors (see below), whose sum is σ = 224420721241248. Its totient is φ = 220019707080000.

The previous prime is 222220211121193. The next prime is 222220211121217. The reversal of 222220211121211 is 112121112022222.

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 222220211121211 - 2⁴⁷ = 81482722765883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222220211121217) 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, 119191351 + ... + 121041391.

It is an arithmetic number, because the mean of its divisors is an integer number (28052590155156).

Almost surely, 2^{222220211121211} is an apocalyptic number.

222220211121211 is a deficient number, since it is larger than the sum of its proper divisors (2200510120037).

222220211121211 is a wasteful number, since it uses less digits than its factorization.

222220211121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039413.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 222220211121211 its reverse (112121112022222), we get a palindrome (334341323143433).

The spelling of 222220211121211 in words is "two hundred twenty-two trillion, two hundred twenty billion, two hundred eleven million, one hundred twenty-one thousand, two hundred eleven".