122221122200 has 24 divisors (see below), whose sum is σ = 284164109580. Its totient is φ = 48888448800.

The previous prime is 122221122119. The next prime is 122221122259. The reversal of 122221122200 is 2221122221.

It is a happy number.

122221122200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305552606 + ... + 305553005.

Almost surely, 2^122221122200 is an apocalyptic number.

122221122200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122221122200 is an abundant number, since it is smaller than the sum of its proper divisors (161942987380).

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

122221122200 is a wasteful number, since it uses less digits than its factorization.

122221122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611105627 (or 611105618 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122221122200 its reverse (2221122221), we get a palindrome (124442244421).

The spelling of 122221122200 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred".