2221011122012 has 6 divisors (see below), whose sum is σ = 3886769463528. Its totient is φ = 1110505561004.

The previous prime is 2221011121997. The next prime is 2221011122021. The reversal of 2221011122012 is 2102211101222.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 277626390248 + ... + 277626390255.

It is an arithmetic number, because the mean of its divisors is an integer number (647794910588).

Almost surely, 2^{2221011122012} is an apocalyptic number.

It is an amenable number.

2221011122012 is a deficient number, since it is larger than the sum of its proper divisors (1665758341516).

2221011122012 is a wasteful number, since it uses less digits than its factorization.

2221011122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555252780507 (or 555252780505 counting only the distinct ones).

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

Adding to 2221011122012 its reverse (2102211101222), we get a palindrome (4323222223234).

The spelling of 2221011122012 in words is "two trillion, two hundred twenty-one billion, eleven million, one hundred twenty-two thousand, twelve".