21224330150112 has 48 divisors (see below), whose sum is σ = 61904296273680. Its totient is φ = 7074776716416.

The previous prime is 21224330150099. The next prime is 21224330150141. The reversal of 21224330150112 is 21105103342212.

It is a happy number.

21224330150112 is a `hidden beast` number, since 2 + 1 + 2 + 243 + 301 + 5 + 0 + 112 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×21224330150112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12282597603 + ... + 12282599330.

It is an arithmetic number, because the mean of its divisors is an integer number (1289672839035).

Almost surely, 2^{21224330150112} is an apocalyptic number.

It is an amenable number.

21224330150112 is an abundant number, since it is smaller than the sum of its proper divisors (40679966123568).

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

21224330150112 is a wasteful number, since it uses less digits than its factorization.

21224330150112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24565196952 (or 24565196938 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 21224330150112 its reverse (21105103342212), we get a palindrome (42329433492324).

The spelling of 21224330150112 in words is "twenty-one trillion, two hundred twenty-four billion, three hundred thirty million, one hundred fifty thousand, one hundred twelve".