21130223203302 has 64 divisors (see below), whose sum is σ = 43261762452480. Its totient is φ = 6878720448000.

The previous prime is 21130223203301. The next prime is 21130223203321. The reversal of 21130223203302 is 20330232203112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21130223203301) 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, 20055274 + ... + 21082562.

It is an arithmetic number, because the mean of its divisors is an integer number (675965038320).

Almost surely, 2^{21130223203302} is an apocalyptic number.

21130223203302 is an abundant number, since it is smaller than the sum of its proper divisors (22131539249178).

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

21130223203302 is a wasteful number, since it uses less digits than its factorization.

21130223203302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027829.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21130223203302 its reverse (20330232203112), we get a palindrome (41460455406414).

The spelling of 21130223203302 in words is "twenty-one trillion, one hundred thirty billion, two hundred twenty-three million, two hundred three thousand, three hundred two".