1110222221012 has 6 divisors (see below), whose sum is σ = 1942888886778. Its totient is φ = 555111110504.

The previous prime is 1110222221011. The next prime is 1110222221021. The reversal of 1110222221012 is 2101222220111.

It can be written as a sum of positive squares in only one way, i.e., 917392333636 + 192829887376 = 957806^2 + 439124^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110222221011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138777777623 + ... + 138777777630.

It is an arithmetic number, because the mean of its divisors is an integer number (323814814463).

Almost surely, 2^{1110222221012} is an apocalyptic number.

It is an amenable number.

1110222221012 is a deficient number, since it is larger than the sum of its proper divisors (832666665766).

1110222221012 is a wasteful number, since it uses less digits than its factorization.

1110222221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277555555257 (or 277555555255 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1110222221012 its reverse (2101222220111), we get a palindrome (3211444441123).

Subtracting 1110222221012 from its reverse (2101222220111), we obtain a palindrome (990999999099).

The spelling of 1110222221012 in words is "one trillion, one hundred ten billion, two hundred twenty-two million, two hundred twenty-one thousand, twelve".