22131120203000 has 128 divisors (see below), whose sum is σ = 52332421939200. Its totient is φ = 8759551248000.

The previous prime is 22131120202993. The next prime is 22131120203011. The reversal of 22131120203000 is 30202113122.

It is a super-2 number, since 2×22131120203000² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22131120203000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47903105 + ... + 48362895.

It is an arithmetic number, because the mean of its divisors is an integer number (408847046400).

Almost surely, 2^{22131120203000} is an apocalyptic number.

22131120203000 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 22131120203000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26166210969600).

22131120203000 is an abundant number, since it is smaller than the sum of its proper divisors (30201301736200).

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

22131120203000 is a wasteful number, since it uses less digits than its factorization.

22131120203000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460318 (or 460304 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22131120203000 its reverse (30202113122), we get a palindrome (22161322316122).

The spelling of 22131120203000 in words is "twenty-two trillion, one hundred thirty-one billion, one hundred twenty million, two hundred three thousand".