2221130311012 has 6 divisors (see below), whose sum is σ = 3886978044278. Its totient is φ = 1110565155504.

The previous prime is 2221130310989. The next prime is 2221130311019. The reversal of 2221130311012 is 2101130311222.

It can be written as a sum of positive squares in only one way, i.e., 1879821976356 + 341308334656 = 1371066^2 + 584216^2 .

It is not an unprimeable number, because it can be changed into a prime (2221130311019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277641288873 + ... + 277641288880.

Almost surely, 2^{2221130311012} is an apocalyptic number.

It is an amenable number.

2221130311012 is a deficient number, since it is larger than the sum of its proper divisors (1665847733266).

2221130311012 is a wasteful number, since it uses less digits than its factorization.

2221130311012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555282577757 (or 555282577755 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2221130311012 its reverse (2101130311222), we get a palindrome (4322260622234).

The spelling of 2221130311012 in words is "two trillion, two hundred twenty-one billion, one hundred thirty million, three hundred eleven thousand, twelve".