22133121300 has 108 divisors (see below), whose sum is σ = 69446644540. Its totient is φ = 5896074240.

The previous prime is 22133121289. The next prime is 22133121301. The reversal of 22133121300 is 312133122.

22133121300 is a `hidden beast` number, since 221 + 3 + 312 + 130 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 2390623236 + 19742498064 = 48894^2 + 140508^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22133121301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 895914 + ... + 920286.

Almost surely, 2^22133121300 is an apocalyptic number.

22133121300 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 22133121300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34723322270).

22133121300 is an abundant number, since it is smaller than the sum of its proper divisors (47313523240).

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

22133121300 is a wasteful number, since it uses less digits than its factorization.

22133121300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25402 (or 25392 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22133121300 its reverse (312133122), we get a palindrome (22445254422).

The spelling of 22133121300 in words is "twenty-two billion, one hundred thirty-three million, one hundred twenty-one thousand, three hundred".