21011202333321 has 8 divisors (see below), whose sum is σ = 28772096889024. Its totient is φ = 13628887999920.

The previous prime is 21011202333307. The next prime is 21011202333377. The reversal of 21011202333321 is 12333320211012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21011202333321 - 2⁶ = 21011202333257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21011202333291 and 21011202333300.

It is not an unprimeable number, because it can be changed into a prime (21011202333721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94645055445 + ... + 94645055666.

It is an arithmetic number, because the mean of its divisors is an integer number (3596512111128).

Almost surely, 2^{21011202333321} is an apocalyptic number.

It is an amenable number.

21011202333321 is a deficient number, since it is larger than the sum of its proper divisors (7760894555703).

21011202333321 is a wasteful number, since it uses less digits than its factorization.

21011202333321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189290111151.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21011202333321 its reverse (12333320211012), we get a palindrome (33344522544333).

The spelling of 21011202333321 in words is "twenty-one trillion, eleven billion, two hundred two million, three hundred thirty-three thousand, three hundred twenty-one".