122211122122 has 16 divisors (see below), whose sum is σ = 190190702592. Its totient is φ = 58834233360.

The previous prime is 122211122119. The next prime is 122211122261. The reversal of 122211122122 is 221221112221.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 122211122122.

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, 4990698 + ... + 5015125.

It is an arithmetic number, because the mean of its divisors is an integer number (11886918912).

Almost surely, 2^122211122122 is an apocalyptic number.

122211122122 is a deficient number, since it is larger than the sum of its proper divisors (67979580470).

122211122122 is a wasteful number, since it uses less digits than its factorization.

122211122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006053.

The product of its digits is 128, while the sum is 19.

Adding to 122211122122 its reverse (221221112221), we get a palindrome (343432234343).

Subtracting 122211122122 from its reverse (221221112221), we obtain a palindrome (99009990099).

The spelling of 122211122122 in words is "one hundred twenty-two billion, two hundred eleven million, one hundred twenty-two thousand, one hundred twenty-two".