22112112221002 has 16 divisors (see below), whose sum is σ = 33175476828000. Its totient is φ = 11053620183760.

The previous prime is 22112112220981. The next prime is 22112112221009. The reversal of 22112112221002 is 20012221121122.

It is not an unprimeable number, because it can be changed into a prime (22112112221009) 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 7 ways as a sum of consecutive naturals, for example, 232836624 + ... + 232931572.

It is an arithmetic number, because the mean of its divisors is an integer number (2073467301750).

Almost surely, 2^{22112112221002} is an apocalyptic number.

22112112221002 is a deficient number, since it is larger than the sum of its proper divisors (11063364606998).

22112112221002 is a wasteful number, since it uses less digits than its factorization.

22112112221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119381.

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

Adding to 22112112221002 its reverse (20012221121122), we get a palindrome (42124333342124).

The spelling of 22112112221002 in words is "twenty-two trillion, one hundred twelve billion, one hundred twelve million, two hundred twenty-one thousand, two".