21030113020213 has 8 divisors (see below), whose sum is σ = 22942073505600. Its totient is φ = 19118174539680.

The previous prime is 21030113020183. The next prime is 21030113020249. The reversal of 21030113020213 is 31202031103012.

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 21030113020213 - 2¹³ = 21030113012021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21030113020913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3470320 + ... + 7355497.

It is an arithmetic number, because the mean of its divisors is an integer number (2867759188200).

Almost surely, 2^{21030113020213} is an apocalyptic number.

It is an amenable number.

21030113020213 is a deficient number, since it is larger than the sum of its proper divisors (1911960485387).

21030113020213 is a wasteful number, since it uses less digits than its factorization.

21030113020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11002427.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21030113020213 its reverse (31202031103012), we get a palindrome (52232144123225).

The spelling of 21030113020213 in words is "twenty-one trillion, thirty billion, one hundred thirteen million, twenty thousand, two hundred thirteen".