222212111020200 has 288 divisors, whose sum is σ = 858595220496000. Its totient is φ = 50450457761280.

The previous prime is 222212111020157. The next prime is 222212111020223. The reversal of 222212111020200 is 2020111212222.

It is a happy number.

222212111020200 is a `hidden beast` number, since 2 + 2 + 221 + 211 + 10 + 20 + 200 = 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 polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 57303412 + ... + 61058211.

It is an arithmetic number, because the mean of its divisors is an integer number (2981233404500).

Almost surely, 2^{222212111020200} is an apocalyptic number.

222212111020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222212111020200 is an abundant number, since it is smaller than the sum of its proper divisors (636383109475800).

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

222212111020200 is a wasteful number, since it uses less digits than its factorization.

222212111020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118361801 (or 118361789 counting only the distinct ones).

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

Adding to 222212111020200 its reverse (2020111212222), we get a palindrome (224232222232422).

It can be divided in two parts, 2222121 and 11020200, that added together give a square (13242321 = 3639²).

The spelling of 222212111020200 in words is "two hundred twenty-two trillion, two hundred twelve billion, one hundred eleven million, twenty thousand, two hundred".