222222020111012 has 12 divisors (see below), whose sum is σ = 389858332042956. Its totient is φ = 110833925241600.

The previous prime is 222222020110973. The next prime is 222222020111033. The reversal of 222222020111012 is 210111020222222.

It can be written as a sum of positive squares in 2 ways, for example, as 185999244527716 + 36222775583296 = 13638154^2 + 6018536^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69271201673 + ... + 69271204880.

It is an arithmetic number, because the mean of its divisors is an integer number (32488194336913).

Almost surely, 2^{222222020111012} is an apocalyptic number.

It is an amenable number.

222222020111012 is a deficient number, since it is larger than the sum of its proper divisors (167636311931944).

222222020111012 is a wasteful number, since it uses less digits than its factorization.

222222020111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138542406958 (or 138542406956 counting only the distinct ones).

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

Adding to 222222020111012 its reverse (210111020222222), we get a palindrome (432333040333234).

The spelling of 222222020111012 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, twenty million, one hundred eleven thousand, twelve".