122222241100 has 144 divisors (see below), whose sum is σ = 275869065472. Its totient is φ = 46970461440.

The previous prime is 122222241083. The next prime is 122222241101. The reversal of 122222241100 is 1142222221.

It is not an unprimeable number, because it can be changed into a prime (122222241101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72191854 + ... + 72193546.

Almost surely, 2^122222241100 is an apocalyptic number.

122222241100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122222241100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137934532736).

122222241100 is an abundant number, since it is smaller than the sum of its proper divisors (153646824372).

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

122222241100 is a wasteful number, since it uses less digits than its factorization.

122222241100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016 (or 2009 counting only the distinct ones).

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

Adding to 122222241100 its reverse (1142222221), we get a palindrome (123364463321).

The spelling of 122222241100 in words is "one hundred twenty-two billion, two hundred twenty-two million, two hundred forty-one thousand, one hundred".