122200201100 has 36 divisors (see below), whose sum is σ = 265265667744. Its totient is φ = 48863263680.

The previous prime is 122200201027. The next prime is 122200201111. The reversal of 122200201100 is 1102002221.

It is a happy 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, 83954 + ... + 501446.

Almost surely, 2^122200201100 is an apocalyptic number.

122200201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122200201100 is an abundant number, since it is smaller than the sum of its proper divisors (143065466644).

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

122200201100 is a wasteful number, since it uses less digits than its factorization.

122200201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420434 (or 420427 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 122200201100 its reverse (1102002221), we get a palindrome (123302203321).

The spelling of 122200201100 in words is "one hundred twenty-two billion, two hundred million, two hundred one thousand, one hundred".