21330232131002 has 16 divisors (see below), whose sum is σ = 32446694548224. Its totient is φ = 10514673834000.

The previous prime is 21330232130981. The next prime is 21330232131029. The reversal of 21330232131002 is 20013123203312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4989752 + ... + 8219372.

It is an arithmetic number, because the mean of its divisors is an integer number (2027918409264).

Almost surely, 2^{21330232131002} is an apocalyptic number.

21330232131002 is a deficient number, since it is larger than the sum of its proper divisors (11116462417222).

21330232131002 is a wasteful number, since it uses less digits than its factorization.

21330232131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276205.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21330232131002 its reverse (20013123203312), we get a palindrome (41343355334314).

The spelling of 21330232131002 in words is "twenty-one trillion, three hundred thirty billion, two hundred thirty-two million, one hundred thirty-one thousand, two".