2221200211112 has 32 divisors (see below), whose sum is σ = 4330685687400. Its totient is φ = 1066747551744.

The previous prime is 2221200211057. The next prime is 2221200211157. The reversal of 2221200211112 is 2111120021222.

It can be written as a sum of positive squares in 4 ways, for example, as 1648414616836 + 572785594276 = 1283906^2 + 756826^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 24758693 + ... + 24848244.

Almost surely, 2^{2221200211112} is an apocalyptic number.

It is an amenable number.

2221200211112 is a deficient number, since it is larger than the sum of its proper divisors (2109485476288).

2221200211112 is a wasteful number, since it uses less digits than its factorization.

2221200211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49607165 (or 49607161 counting only the distinct ones).

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

Adding to 2221200211112 its reverse (2111120021222), we get a palindrome (4332320232334).

The spelling of 2221200211112 in words is "two trillion, two hundred twenty-one billion, two hundred million, two hundred eleven thousand, one hundred twelve".