21203330123033 has 8 divisors (see below), whose sum is σ = 21320612267136. Its totient is φ = 21086049481200.

The previous prime is 21203330123029. The next prime is 21203330123071. The reversal of 21203330123033 is 33032103330212.

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 21203330123033 - 2² = 21203330123029 is a prime.

It is a super-2 number, since 2×21203330123033² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21203330122993 and 21203330123011.

It is not an unprimeable number, because it can be changed into a prime (21203330123933) 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, 39751088 + ... + 40280958.

It is an arithmetic number, because the mean of its divisors is an integer number (2665076533392).

Almost surely, 2^{21203330123033} is an apocalyptic number.

It is an amenable number.

21203330123033 is a deficient number, since it is larger than the sum of its proper divisors (117282144103).

21203330123033 is a wasteful number, since it uses less digits than its factorization.

21203330123033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751135.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 21203330123033 its reverse (33032103330212), we get a palindrome (54235433453245).

The spelling of 21203330123033 in words is "twenty-one trillion, two hundred three billion, three hundred thirty million, one hundred twenty-three thousand, thirty-three".