21330003132013 has 16 divisors (see below), whose sum is σ = 22761427680000. Its totient is φ = 19918775999232.

The previous prime is 21330003131993. The next prime is 21330003132131. The reversal of 21330003132013 is 31023130003312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21330003132013 is a prime.

It is a super-2 number, since 2×21330003132013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21330003102013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7566918 + ... + 9995911.

It is an arithmetic number, because the mean of its divisors is an integer number (1422589230000).

Almost surely, 2^{21330003132013} is an apocalyptic number.

It is an amenable number.

21330003132013 is a deficient number, since it is larger than the sum of its proper divisors (1431424547987).

21330003132013 is a wasteful number, since it uses less digits than its factorization.

21330003132013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17563404.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 21330003132013 its reverse (31023130003312), we get a palindrome (52353133135325).

The spelling of 21330003132013 in words is "twenty-one trillion, three hundred thirty billion, three million, one hundred thirty-two thousand, thirteen".