22120022201112 has 144 divisors (see below), whose sum is σ = 69425141175000. Its totient is φ = 6308740669440.

The previous prime is 22120022201099. The next prime is 22120022201141. The reversal of 22120022201112 is 21110222002122.

It is a happy number.

22120022201112 is a `hidden beast` number, since 221 + 200 + 2 + 220 + 11 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 35 ways as a sum of consecutive naturals, for example, 48091737 + ... + 48549512.

Almost surely, 2^{22120022201112} is an apocalyptic number.

22120022201112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22120022201112 is an abundant number, since it is smaller than the sum of its proper divisors (47305118973888).

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

22120022201112 is a wasteful number, since it uses less digits than its factorization.

22120022201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96641306 (or 96641282 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22120022201112 its reverse (21110222002122), we get a palindrome (43230244203234).

The spelling of 22120022201112 in words is "twenty-two trillion, one hundred twenty billion, twenty-two million, two hundred one thousand, one hundred twelve".