2221112221863 has 16 divisors (see below), whose sum is σ = 3017465726976. Its totient is φ = 1452752057120.

The previous prime is 2221112221859. The next prime is 2221112221877. The reversal of 2221112221863 is 3681222111222.

It is a cyclic number.

It is not a de Polignac number, because 2221112221863 - 2² = 2221112221859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221112221463) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 4609006 + ... + 5068052.

It is an arithmetic number, because the mean of its divisors is an integer number (188591607936).

Almost surely, 2^{2221112221863} is an apocalyptic number.

2221112221863 is a deficient number, since it is larger than the sum of its proper divisors (796353505113).

2221112221863 is a wasteful number, since it uses less digits than its factorization.

2221112221863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489534.

The product of its digits is 9216, while the sum is 33.

The spelling of 2221112221863 in words is "two trillion, two hundred twenty-one billion, one hundred twelve million, two hundred twenty-one thousand, eight hundred sixty-three".