21033203101033 has 8 divisors (see below), whose sum is σ = 21075830354880. Its totient is φ = 20990605260240.

The previous prime is 21033203100989. The next prime is 21033203101061. The reversal of 21033203101033 is 33010130233012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21033203101033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21033203100995 and 21033203101013.

It is not an unprimeable number, because it can be changed into a prime (21033203101133) 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, 5921338 + ... + 8782291.

It is an arithmetic number, because the mean of its divisors is an integer number (2634478794360).

Almost surely, 2^{21033203101033} is an apocalyptic number.

It is an amenable number.

21033203101033 is a deficient number, since it is larger than the sum of its proper divisors (42627253847).

21033203101033 is a wasteful number, since it uses less digits than its factorization.

21033203101033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14706527.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 21033203101033 its reverse (33010130233012), we get a palindrome (54043333334045).

The spelling of 21033203101033 in words is "twenty-one trillion, thirty-three billion, two hundred three million, one hundred one thousand, thirty-three".