21331303123332 has 48 divisors (see below), whose sum is σ = 53340790914432. Its totient is φ = 6617466535680.

The previous prime is 21331303123307. The next prime is 21331303123357. The reversal of 21331303123332 is 23332130313312.

It is an interprime number because it is at equal distance from previous prime (21331303123307) and next prime (21331303123357).

It is a self number, because there is not a number n which added to its sum of digits gives 21331303123332.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1044413169 + ... + 1044433592.

It is an arithmetic number, because the mean of its divisors is an integer number (1111266477384).

Almost surely, 2^{21331303123332} is an apocalyptic number.

It is an amenable number.

21331303123332 is an abundant number, since it is smaller than the sum of its proper divisors (32009487791100).

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

21331303123332 is a wasteful number, since it uses less digits than its factorization.

21331303123332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088846828 (or 2088846826 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 21331303123332 its reverse (23332130313312), we get a palindrome (44663433436644).

The spelling of 21331303123332 in words is "twenty-one trillion, three hundred thirty-one billion, three hundred three million, one hundred twenty-three thousand, three hundred thirty-two".