222221200120209 has 16 divisors (see below), whose sum is σ = 332915655614400. Its totient is φ = 146482888467168.

The previous prime is 222221200120193. The next prime is 222221200120223. The reversal of 222221200120209 is 902021002122222.

222221200120209 is a `hidden beast` number, since 2 + 22 + 221 + 200 + 12 + 0 + 209 = 666.

It is not a de Polignac number, because 222221200120209 - 2⁴ = 222221200120193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (222221200120259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46238283099 + ... + 46238287904.

It is an arithmetic number, because the mean of its divisors is an integer number (20807228475900).

Almost surely, 2^{222221200120209} is an apocalyptic number.

It is an amenable number.

222221200120209 is a deficient number, since it is larger than the sum of its proper divisors (110694455494191).

222221200120209 is an equidigital number, since it uses as much as digits as its factorization.

222221200120209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92476571101 (or 92476571095 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 222221200120209 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred million, one hundred twenty thousand, two hundred nine".