222220011012 has 48 divisors (see below), whose sum is σ = 539146578432. Its totient is φ = 71160618240.

The previous prime is 222220011011. The next prime is 222220011017. The reversal of 222220011012 is 210110022222.

It is a junction number, because it is equal to n+sod(n) for n = 222220010982 and 222220011000.

It is not an unprimeable number, because it can be changed into a prime (222220011011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2129203 + ... + 2231130.

It is an arithmetic number, because the mean of its divisors is an integer number (11232220384).

Almost surely, 2^222220011012 is an apocalyptic number.

It is an amenable number.

222220011012 is an abundant number, since it is smaller than the sum of its proper divisors (316926567420).

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

222220011012 is a wasteful number, since it uses less digits than its factorization.

222220011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360508 (or 4360506 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222220011012 its reverse (210110022222), we get a palindrome (432330033234).

The spelling of 222220011012 in words is "two hundred twenty-two billion, two hundred twenty million, eleven thousand, twelve".