122211022222 has 16 divisors (see below), whose sum is σ = 186603206400. Its totient is φ = 60011949240.

The previous prime is 122211022211. The next prime is 122211022229. The reversal of 122211022222 is 222220112221.

It is a self number, because there is not a number n which added to its sum of digits gives 122211022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211022229) 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, 375804 + ... + 621007.

It is an arithmetic number, because the mean of its divisors is an integer number (11662700400).

Almost surely, 2^122211022222 is an apocalyptic number.

122211022222 is a deficient number, since it is larger than the sum of its proper divisors (64392184178).

122211022222 is a wasteful number, since it uses less digits than its factorization.

122211022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997911.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122211022222 its reverse (222220112221), we get a palindrome (344431134443).

The spelling of 122211022222 in words is "one hundred twenty-two billion, two hundred eleven million, twenty-two thousand, two hundred twenty-two".