21232130101302 has 32 divisors (see below), whose sum is σ = 42653393976960. Its totient is φ = 7045864211520.

The previous prime is 21232130101289. The next prime is 21232130101307. The reversal of 21232130101302 is 20310103123212.

It is a super-2 number, since 2×21232130101302² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232130101307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7460349 + ... + 9905607.

It is an arithmetic number, because the mean of its divisors is an integer number (1332918561780).

Almost surely, 2^{21232130101302} is an apocalyptic number.

21232130101302 is an abundant number, since it is smaller than the sum of its proper divisors (21421263875658).

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

21232130101302 is a wasteful number, since it uses less digits than its factorization.

21232130101302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451708.

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

Adding to 21232130101302 its reverse (20310103123212), we get a palindrome (41542233224514).

The spelling of 21232130101302 in words is "twenty-one trillion, two hundred thirty-two billion, one hundred thirty million, one hundred one thousand, three hundred two".