21301111300133 has 8 divisors (see below), whose sum is σ = 24344467618368. Its totient is φ = 18257840086464.

The previous prime is 21301111300127. The next prime is 21301111300141. The reversal of 21301111300133 is 33100311110312.

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 21301111300133 - 2²⁶ = 21301044191269 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 (21301111300163) 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, 20738891 + ... + 21741752.

It is an arithmetic number, because the mean of its divisors is an integer number (3043058452296).

Almost surely, 2^{21301111300133} is an apocalyptic number.

It is an amenable number.

21301111300133 is a deficient number, since it is larger than the sum of its proper divisors (3043356318235).

21301111300133 is an equidigital number, since it uses as much as digits as its factorization.

21301111300133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42552283.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 21301111300133 its reverse (33100311110312), we get a palindrome (54401422410445).

The spelling of 21301111300133 in words is "twenty-one trillion, three hundred one billion, one hundred eleven million, three hundred thousand, one hundred thirty-three".