21203000301113 has 8 divisors (see below), whose sum is σ = 21276007804296. Its totient is φ = 21129997168000.

The previous prime is 21203000301103. The next prime is 21203000301143. The reversal of 21203000301113 is 31110300030212.

It can be written as a sum of positive squares in 4 ways, for example, as 7823477514304 + 13379522786809 = 2797048^2 + 3657803^2 .

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 21203000301113 - 2⁴⁰ = 20103488673337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21203000301091 and 21203000301100.

It is not an unprimeable number, because it can be changed into a prime (21203000301103) 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, 8781263 + ... + 10932363.

It is an arithmetic number, because the mean of its divisors is an integer number (2659500975537).

Almost surely, 2^{21203000301113} is an apocalyptic number.

It is an amenable number.

21203000301113 is a deficient number, since it is larger than the sum of its proper divisors (73007503183).

21203000301113 is a wasteful number, since it uses less digits than its factorization.

21203000301113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185035.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21203000301113 its reverse (31110300030212), we get a palindrome (52313300331325).

The spelling of 21203000301113 in words is "twenty-one trillion, two hundred three billion, three hundred one thousand, one hundred thirteen".