21101002133333 has 8 divisors (see below), whose sum is σ = 21453235332480. Its totient is φ = 20750897232000.

The previous prime is 21101002133329. The next prime is 21101002133339. The reversal of 21101002133333 is 33333120010112.

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 21101002133333 - 2² = 21101002133329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21101002133299 and 21101002133308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21101002133339) 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, 532054460 + ... + 532094117.

It is an arithmetic number, because the mean of its divisors is an integer number (2681654416560).

Almost surely, 2^{21101002133333} is an apocalyptic number.

It is an amenable number.

21101002133333 is a deficient number, since it is larger than the sum of its proper divisors (352233199147).

21101002133333 is a wasteful number, since it uses less digits than its factorization.

21101002133333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064148907.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 21101002133333 its reverse (33333120010112), we get a palindrome (54434122143445).

The spelling of 21101002133333 in words is "twenty-one trillion, one hundred one billion, two million, one hundred thirty-three thousand, three hundred thirty-three".