122222021201100 has 108 divisors (see below), whose sum is σ = 393452139107664. Its totient is φ = 31711659546240.

The previous prime is 122222021201051. The next prime is 122222021201123. The reversal of 122222021201100 is 1102120222221.

It is a happy number.

122222021201100 is a `hidden beast` number, since 1 + 222 + 220 + 2 + 120 + 1 + 100 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1835132184 + ... + 1835198783.

It is an arithmetic number, because the mean of its divisors is an integer number (3643075362108).

Almost surely, 2^{122222021201100} is an apocalyptic number.

122222021201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122222021201100 is an abundant number, since it is smaller than the sum of its proper divisors (271230117906564).

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

122222021201100 is a wasteful number, since it uses less digits than its factorization.

122222021201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670331024 (or 3670331014 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122222021201100 its reverse (1102120222221), we get a palindrome (123324141423321).

The spelling of 122222021201100 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, twenty-one million, two hundred one thousand, one hundred".