21013230201113 has 8 divisors (see below), whose sum is σ = 21460820274048. Its totient is φ = 20565660964464.

The previous prime is 21013230201101. The next prime is 21013230201121. The reversal of 21013230201113 is 31110203231012.

It is a happy number.

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 21013230201113 - 2⁴ = 21013230201097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21013230201013) 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, 3162131 + ... + 7212872.

It is an arithmetic number, because the mean of its divisors is an integer number (2682602534256).

Almost surely, 2^{21013230201113} is an apocalyptic number.

It is an amenable number.

21013230201113 is a deficient number, since it is larger than the sum of its proper divisors (447590072935).

21013230201113 is a wasteful number, since it uses less digits than its factorization.

21013230201113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10418143.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21013230201113 its reverse (31110203231012), we get a palindrome (52123433432125).

The spelling of 21013230201113 in words is "twenty-one trillion, thirteen billion, two hundred thirty million, two hundred one thousand, one hundred thirteen".