222112211122002 has 16 divisors (see below), whose sum is σ = 444230360304192. Its totient is φ = 74036414030640.

The previous prime is 222112211121991. The next prime is 222112211122003. The reversal of 222112211122002 is 200221112211222.

It is a self number, because there is not a number n which added to its sum of digits gives 222112211122002.

It is not an unprimeable number, because it can be changed into a prime (222112211122003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246932838 + ... + 247830689.

It is an arithmetic number, because the mean of its divisors is an integer number (27764397519012).

Almost surely, 2^{222112211122002} is an apocalyptic number.

222112211122002 is an abundant number, since it is smaller than the sum of its proper divisors (222118149182190).

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

222112211122002 is a wasteful number, since it uses less digits than its factorization.

222112211122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494838353.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222112211122002 its reverse (200221112211222), we get a palindrome (422333323333224).

The spelling of 222112211122002 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred eleven million, one hundred twenty-two thousand, two".