222101110020012 has 24 divisors (see below), whose sum is σ = 518460365161200. Its totient is φ = 74001640228416.

The previous prime is 222101110020011. The next prime is 222101110020047. The reversal of 222101110020012 is 210020011101222.

It is a junction number, because it is equal to n+sod(n) for n = 222101110019973 and 222101110020000.

It is not an unprimeable number, because it can be changed into a prime (222101110020011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4007860087 + ... + 4007915502.

It is an arithmetic number, because the mean of its divisors is an integer number (21602515215050).

Almost surely, 2^{222101110020012} is an apocalyptic number.

It is an amenable number.

222101110020012 is an abundant number, since it is smaller than the sum of its proper divisors (296359255141188).

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

222101110020012 is a wasteful number, since it uses less digits than its factorization.

222101110020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8015777905 (or 8015777903 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222101110020012 its reverse (210020011101222), we get a palindrome (432121121121234).

The spelling of 222101110020012 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred ten million, twenty thousand, twelve".