22130421210 has 64 divisors (see below), whose sum is σ = 59184777600. Its totient is φ = 5884413696.

The previous prime is 22130421179. The next prime is 22130421239. The reversal of 22130421210 is 1212403122.

It is a happy number.

22130421210 is a `hidden beast` number, since 2 + 2 + 1 + 30 + 421 + 210 = 666.

It is a super-3 number, since 3×22130421210³ (a number of 32 digits) contains 333 as substring.

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

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 31 ways as a sum of consecutive naturals, for example, 24415 + ... + 211794.

It is an arithmetic number, because the mean of its divisors is an integer number (924762150).

Almost surely, 2^22130421210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22130421210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29592388800).

22130421210 is an abundant number, since it is smaller than the sum of its proper divisors (37054356390).

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

22130421210 is a wasteful number, since it uses less digits than its factorization.

22130421210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236572 (or 236566 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22130421210 its reverse (1212403122), we get a palindrome (23342824332).

The spelling of 22130421210 in words is "twenty-two billion, one hundred thirty million, four hundred twenty-one thousand, two hundred ten".