122222221212211 has 8 divisors (see below), whose sum is σ = 123897793092944. Its totient is φ = 120546684328320.

The previous prime is 122222221212191. The next prime is 122222221212227. The reversal of 122222221212211 is 112212122222221.

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 122222221212211 - 2¹¹ = 122222221210163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122222221212281) 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, 1677666 + ... + 15724471.

It is an arithmetic number, because the mean of its divisors is an integer number (15487224136618).

Almost surely, 2^{122222221212211} is an apocalyptic number.

122222221212211 is a deficient number, since it is larger than the sum of its proper divisors (1675571880733).

122222221212211 is an equidigital number, since it uses as much as digits as its factorization.

122222221212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17498421.

The product of its digits is 1024, while the sum is 25.

Adding to 122222221212211 its reverse (112212122222221), we get a palindrome (234434343434432).

The spelling of 122222221212211 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred twelve thousand, two hundred eleven".