21422334002140 has 24 divisors (see below), whose sum is σ = 46942853640480. Its totient is φ = 8196371270208.

The previous prime is 21422334002087. The next prime is 21422334002143. The reversal of 21422334002140 is 4120043322412.

It is a junction number, because it is equal to n+sod(n) for n = 21422334002099 and 21422334002108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21422334002143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23285145195 + ... + 23285146114.

It is an arithmetic number, because the mean of its divisors is an integer number (1955952235020).

Almost surely, 2^{21422334002140} is an apocalyptic number.

21422334002140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21422334002140 is an abundant number, since it is smaller than the sum of its proper divisors (25520519638340).

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

21422334002140 is a wasteful number, since it uses less digits than its factorization.

21422334002140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46570291341 (or 46570291339 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 21422334002140 its reverse (4120043322412), we get a palindrome (25542377324552).

The spelling of 21422334002140 in words is "twenty-one trillion, four hundred twenty-two billion, three hundred thirty-four million, two thousand, one hundred forty".