22003012111200 has 72 divisors (see below), whose sum is σ = 71619804429768. Its totient is φ = 5867469895680.

The previous prime is 22003012111189. The next prime is 22003012111237. The reversal of 22003012111200 is 211121030022.

It is a super-3 number, since 3×22003012111200³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22003012111200.

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 11 ways as a sum of consecutive naturals, for example, 4583958457 + ... + 4583963256.

It is an arithmetic number, because the mean of its divisors is an integer number (994719505969).

Almost surely, 2^{22003012111200} is an apocalyptic number.

22003012111200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22003012111200 is an abundant number, since it is smaller than the sum of its proper divisors (49616792318568).

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

22003012111200 is a wasteful number, since it uses less digits than its factorization.

22003012111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9167921736 (or 9167921723 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22003012111200 its reverse (211121030022), we get a palindrome (22214133141222).

The spelling of 22003012111200 in words is "twenty-two trillion, three billion, twelve million, one hundred eleven thousand, two hundred".