11022221222112 has 96 divisors (see below), whose sum is σ = 29033528055840. Its totient is φ = 3661365657600.

The previous prime is 11022221222093. The next prime is 11022221222161. The reversal of 11022221222112 is 21122212222011.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

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, 46037112 + ... + 46275912.

It is an arithmetic number, because the mean of its divisors is an integer number (302432583915).

Almost surely, 2^{11022221222112} is an apocalyptic number.

11022221222112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11022221222112 is an abundant number, since it is smaller than the sum of its proper divisors (18011306833728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11022221222112 is a wasteful number, since it uses less digits than its factorization.

11022221222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240476 (or 240468 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11022221222112 its reverse (21122212222011), we get a palindrome (32144433444123).

The spelling of 11022221222112 in words is "eleven trillion, twenty-two billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred twelve".