2220022311112 has 8 divisors (see below), whose sum is σ = 4162541833350. Its totient is φ = 1110011155552.

The previous prime is 2220022311049. The next prime is 2220022311149. The reversal of 2220022311112 is 2111132200222.

It can be written as a sum of positive squares in only one way, i.e., 1146282857316 + 1073739453796 = 1070646^2 + 1036214^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2220022311112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138751394437 + ... + 138751394452.

Almost surely, 2^{2220022311112} is an apocalyptic number.

It is an amenable number.

2220022311112 is a deficient number, since it is larger than the sum of its proper divisors (1942519522238).

2220022311112 is a wasteful number, since it uses less digits than its factorization.

2220022311112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277502788895 (or 277502788891 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2220022311112 its reverse (2111132200222), we get a palindrome (4331154511334).

The spelling of 2220022311112 in words is "two trillion, two hundred twenty billion, twenty-two million, three hundred eleven thousand, one hundred twelve".