22103221131200 has 504 divisors, whose sum is σ = 63387171997056. Its totient is φ = 7509030144000.

The previous prime is 22103221131197. The next prime is 22103221131283. The reversal of 22103221131200 is 213112230122.

It is a super-2 number, since 2×22103221131200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 748460435 + ... + 748489965.

Almost surely, 2^{22103221131200} is an apocalyptic number.

22103221131200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22103221131200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31693585998528).

22103221131200 is an abundant number, since it is smaller than the sum of its proper divisors (41283950865856).

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

22103221131200 is a wasteful number, since it uses less digits than its factorization.

22103221131200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29673 (or 29615 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 22103221131200 its reverse (213112230122), we get a palindrome (22316333361322).

The spelling of 22103221131200 in words is "twenty-two trillion, one hundred three billion, two hundred twenty-one million, one hundred thirty-one thousand, two hundred".