122222011222 has 16 divisors (see below), whose sum is σ = 188680971600. Its totient is φ = 59344784352.

The previous prime is 122222011193. The next prime is 122222011231. The reversal of 122222011222 is 222110222221.

It is a self number, because there is not a number n which added to its sum of digits gives 122222011222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4092597 + ... + 4122352.

It is an arithmetic number, because the mean of its divisors is an integer number (11792560725).

Almost surely, 2^122222011222 is an apocalyptic number.

122222011222 is a deficient number, since it is larger than the sum of its proper divisors (66458960378).

122222011222 is a wasteful number, since it uses less digits than its factorization.

122222011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8215167.

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

Adding to 122222011222 its reverse (222110222221), we get a palindrome (344332233443).

The spelling of 122222011222 in words is "one hundred twenty-two billion, two hundred twenty-two million, eleven thousand, two hundred twenty-two".