21203130110322 has 64 divisors (see below), whose sum is σ = 45099815990400. Its totient is φ = 6622474429440.

The previous prime is 21203130110321. The next prime is 21203130110341. The reversal of 21203130110322 is 22301103130212.

It is not an unprimeable number, because it can be changed into a prime (21203130110321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 672437697 + ... + 672469227.

It is an arithmetic number, because the mean of its divisors is an integer number (704684624850).

Almost surely, 2^{21203130110322} is an apocalyptic number.

21203130110322 is an abundant number, since it is smaller than the sum of its proper divisors (23896685880078).

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

21203130110322 is a wasteful number, since it uses less digits than its factorization.

21203130110322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60571.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21203130110322 its reverse (22301103130212), we get a palindrome (43504233240534).

The spelling of 21203130110322 in words is "twenty-one trillion, two hundred three billion, one hundred thirty million, one hundred ten thousand, three hundred twenty-two".