22222110122211 has 8 divisors (see below), whose sum is σ = 29633227441344. Its totient is φ = 14812866442280.

The previous prime is 22222110122183. The next prime is 22222110122221. The reversal of 22222110122211 is 11222101122222.

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 22222110122211 - 2¹³ = 22222110114019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22222110122221) 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, 468382125 + ... + 468429566.

It is an arithmetic number, because the mean of its divisors is an integer number (3704153430168).

Almost surely, 2^{22222110122211} is an apocalyptic number.

22222110122211 is a deficient number, since it is larger than the sum of its proper divisors (7411117319133).

22222110122211 is an equidigital number, since it uses as much as digits as its factorization.

22222110122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936819601.

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

Adding to 22222110122211 its reverse (11222101122222), we get a palindrome (33444211244433).

The spelling of 22222110122211 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred ten million, one hundred twenty-two thousand, two hundred eleven".