2221100001112 has 8 divisors (see below), whose sum is σ = 4164562502100. Its totient is φ = 1110550000552.

The previous prime is 2221100001059. The next prime is 2221100001137. The reversal of 2221100001112 is 2111000011222.

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

It is a junction number, because it is equal to n+sod(n) for n = 2221100001092 and 2221100001101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138818750062 + ... + 138818750077.

Almost surely, 2^{2221100001112} is an apocalyptic number.

It is an amenable number.

2221100001112 is a deficient number, since it is larger than the sum of its proper divisors (1943462500988).

2221100001112 is a wasteful number, since it uses less digits than its factorization.

2221100001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277637500145 (or 277637500141 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2221100001112 its reverse (2111000011222), we get a palindrome (4332100012334).

The spelling of 2221100001112 in words is "two trillion, two hundred twenty-one billion, one hundred million, one thousand, one hundred twelve".