222200101121200 has 120 divisors (see below), whose sum is σ = 570834261545760. Its totient is φ = 82823566848000.

The previous prime is 222200101121197. The next prime is 222200101121221. The reversal of 222200101121200 is 2121101002222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161077980 + ... + 162451579.

It is an arithmetic number, because the mean of its divisors is an integer number (4756952179548).

Almost surely, 2^{222200101121200} is an apocalyptic number.

222200101121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222200101121200 is an abundant number, since it is smaller than the sum of its proper divisors (348634160424560).

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

222200101121200 is a wasteful number, since it uses less digits than its factorization.

222200101121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323529695 (or 323529684 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222200101121200 its reverse (2121101002222), we get a palindrome (224321202123422).

The spelling of 222200101121200 in words is "two hundred twenty-two trillion, two hundred billion, one hundred one million, one hundred twenty-one thousand, two hundred".