21020332003113 has 8 divisors (see below), whose sum is σ = 28061247110976. Its totient is φ = 13996485782000.

The previous prime is 21020332003057. The next prime is 21020332003171. The reversal of 21020332003113 is 31130023302012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21020332003113 - 2³² = 21016037035817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21020332003113.

It is not an unprimeable number, because it can be changed into a prime (21020332003183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4267218813 + ... + 4267223738.

It is an arithmetic number, because the mean of its divisors is an integer number (3507655888872).

Almost surely, 2^{21020332003113} is an apocalyptic number.

It is an amenable number.

21020332003113 is a deficient number, since it is larger than the sum of its proper divisors (7040915107863).

21020332003113 is an equidigital number, since it uses as much as digits as its factorization.

21020332003113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8534443375.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21020332003113 its reverse (31130023302012), we get a palindrome (52150355305125).

The spelling of 21020332003113 in words is "twenty-one trillion, twenty billion, three hundred thirty-two million, three thousand, one hundred thirteen".