21220200300140 has 12 divisors (see below), whose sum is σ = 44562420630336. Its totient is φ = 8488080120048.

The previous prime is 21220200300127. The next prime is 21220200300149. The reversal of 21220200300140 is 4100300202212.

It is not an unprimeable number, because it can be changed into a prime (21220200300149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530505007484 + ... + 530505007523.

It is an arithmetic number, because the mean of its divisors is an integer number (3713535052528).

Almost surely, 2^{21220200300140} is an apocalyptic number.

21220200300140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21220200300140 is an abundant number, since it is smaller than the sum of its proper divisors (23342220330196).

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

21220200300140 is a wasteful number, since it uses less digits than its factorization.

21220200300140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061010015016 (or 1061010015014 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 21220200300140 its reverse (4100300202212), we get a palindrome (25320500502352).

The spelling of 21220200300140 in words is "twenty-one trillion, two hundred twenty billion, two hundred million, three hundred thousand, one hundred forty".