222101200122212 has 72 divisors (see below), whose sum is σ = 408362889182976. Its totient is φ = 105586640208000.

The previous prime is 222101200122187. The next prime is 222101200122229. The reversal of 222101200122212 is 212221002101222.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407147162 + ... + 407692302.

It is an arithmetic number, because the mean of its divisors is an integer number (5671706794208).

Almost surely, 2^{222101200122212} is an apocalyptic number.

It is an amenable number.

222101200122212 is a deficient number, since it is larger than the sum of its proper divisors (186261689060764).

222101200122212 is a wasteful number, since it uses less digits than its factorization.

222101200122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546181 (or 546118 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222101200122212 its reverse (212221002101222), we get a palindrome (434322202223434).

The spelling of 222101200122212 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred million, one hundred twenty-two thousand, two hundred twelve".