21022300003122 has 192 divisors, whose sum is σ = 52387327549440. Its totient is φ = 6030511344000.

The previous prime is 21022300003063. The next prime is 21022300003123. The reversal of 21022300003122 is 22130000322012.

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

It is a junction number, because it is equal to n+sod(n) for n = 21022300003095 and 21022300003104.

It is not an unprimeable number, because it can be changed into a prime (21022300003123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 184922103 + ... + 185035749.

It is an arithmetic number, because the mean of its divisors is an integer number (272850664320).

Almost surely, 2^{21022300003122} is an apocalyptic number.

21022300003122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 21022300003122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26193663774720).

21022300003122 is an abundant number, since it is smaller than the sum of its proper divisors (31365027546318).

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

21022300003122 is a wasteful number, since it uses less digits than its factorization.

21022300003122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114109 (or 114106 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 21022300003122 its reverse (22130000322012), we get a palindrome (43152300325134).

The spelling of 21022300003122 in words is "twenty-one trillion, twenty-two billion, three hundred million, three thousand, one hundred twenty-two".