122211022221222 has 64 divisors (see below), whose sum is σ = 273184327503360. Its totient is φ = 36125273964800.

The previous prime is 122211022221203. The next prime is 122211022221227. The reversal of 122211022221222 is 222122220112221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122211022221192 and 122211022221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211022221227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15965848 + ... + 22345700.

It is an arithmetic number, because the mean of its divisors is an integer number (4268505117240).

Almost surely, 2^{122211022221222} is an apocalyptic number.

122211022221222 is an abundant number, since it is smaller than the sum of its proper divisors (150973305282138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122211022221222 is a wasteful number, since it uses less digits than its factorization.

122211022221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6386989.

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

Adding to 122211022221222 its reverse (222122220112221), we get a palindrome (344333242333443).

The spelling of 122211022221222 in words is "one hundred twenty-two trillion, two hundred eleven billion, twenty-two million, two hundred twenty-one thousand, two hundred twenty-two".