111002122021222 has 16 divisors (see below), whose sum is σ = 173742684831072. Its totient is φ = 53087900215680.

The previous prime is 111002122021187. The next prime is 111002122021289. The reversal of 111002122021222 is 222120221200111.

It is a self number, because there is not a number n which added to its sum of digits gives 111002122021222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52590772 + ... + 54660712.

It is an arithmetic number, because the mean of its divisors is an integer number (10858917801942).

Almost surely, 2^{111002122021222} is an apocalyptic number.

111002122021222 is a deficient number, since it is larger than the sum of its proper divisors (62740562809850).

111002122021222 is a wasteful number, since it uses less digits than its factorization.

111002122021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235743.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111002122021222 its reverse (222120221200111), we get a palindrome (333122343221333).

The spelling of 111002122021222 in words is "one hundred eleven trillion, two billion, one hundred twenty-two million, twenty-one thousand, two hundred twenty-two".