222010121211112 has 16 divisors (see below), whose sum is σ = 448289667830340. Its totient is φ = 102466209789696.

The previous prime is 222010121211097. The next prime is 222010121211113. The reversal of 222010121211112 is 211112121010222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 158950417862916 + 63059703348196 = 12607554^2 + 7941014^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222010121211112.

It is not an unprimeable number, because it can be changed into a prime (222010121211113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067356351873 + ... + 1067356352080.

Almost surely, 2^{222010121211112} is an apocalyptic number.

It is an amenable number.

222010121211112 is an abundant number, since it is smaller than the sum of its proper divisors (226279546619228).

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

222010121211112 is a wasteful number, since it uses less digits than its factorization.

222010121211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134712703972 (or 2134712703968 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 222010121211112 its reverse (211112121010222), we get a palindrome (433122242221334).

The spelling of 222010121211112 in words is "two hundred twenty-two trillion, ten billion, one hundred twenty-one million, two hundred eleven thousand, one hundred twelve".