21002103301133 has 8 divisors (see below), whose sum is σ = 21352977862008. Its totient is φ = 20652936159744.

The previous prime is 21002103301103. The next prime is 21002103301163. The reversal of 21002103301133 is 33110330120012.

It is an interprime number because it is at equal distance from previous prime (21002103301103) and next prime (21002103301163).

It can be written as a sum of positive squares in 4 ways, for example, as 4952040201124 + 16050063100009 = 2225318^2 + 4006253^2 .

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 21002103301133 - 2¹⁰ = 21002103300109 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 (21002103301103) 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, 426830066 + ... + 426879267.

It is an arithmetic number, because the mean of its divisors is an integer number (2669122232751).

Almost surely, 2^{21002103301133} is an apocalyptic number.

It is an amenable number.

21002103301133 is a deficient number, since it is larger than the sum of its proper divisors (350874560875).

21002103301133 is an equidigital number, since it uses as much as digits as its factorization.

21002103301133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853709743.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21002103301133 its reverse (33110330120012), we get a palindrome (54112433421145).

The spelling of 21002103301133 in words is "twenty-one trillion, two billion, one hundred three million, three hundred one thousand, one hundred thirty-three".