122222022100 has 36 divisors (see below), whose sum is σ = 265272084000. Its totient is φ = 48879537760.

The previous prime is 122222022067. The next prime is 122222022151. The reversal of 122222022100 is 1220222221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426711 + ... + 653089.

It is an arithmetic number, because the mean of its divisors is an integer number (7368669000).

Almost surely, 2^122222022100 is an apocalyptic number.

122222022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122222022100 is an abundant number, since it is smaller than the sum of its proper divisors (143050061900).

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

122222022100 is a wasteful number, since it uses less digits than its factorization.

122222022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231792 (or 231785 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122222022100 its reverse (1220222221), we get a palindrome (123442244321).

The spelling of 122222022100 in words is "one hundred twenty-two billion, two hundred twenty-two million, twenty-two thousand, one hundred".