22221101011112 has 16 divisors (see below), whose sum is σ = 41755734127860. Its totient is φ = 11086238577024.

The previous prime is 22221101011111. The next prime is 22221101011121. The reversal of 22221101011112 is 21111010112222.

It can be written as a sum of positive squares in 2 ways, for example, as 21777659555716 + 443441455396 = 4666654^2 + 665914^2 .

It is not an unprimeable number, because it can be changed into a prime (22221101011111) 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 3 ways as a sum of consecutive naturals, for example, 3038987183 + ... + 3038994494.

Almost surely, 2^{22221101011112} is an apocalyptic number.

It is an amenable number.

22221101011112 is a deficient number, since it is larger than the sum of its proper divisors (19534633116748).

22221101011112 is a wasteful number, since it uses less digits than its factorization.

22221101011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6077982140 (or 6077982136 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22221101011112 its reverse (21111010112222), we get a palindrome (43332111123334).

The spelling of 22221101011112 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred one million, eleven thousand, one hundred twelve".