21013201033 has 8 divisors (see below), whose sum is σ = 24271932960. Its totient is φ = 17979209280.

The previous prime is 21013200941. The next prime is 21013201057. The reversal of 21013201033 is 33010231012.

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 21013201033 - 2⁹ = 21013200521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21013200998 and 21013201016.

It is not an unprimeable number, because it can be changed into a prime (21013201333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56184843 + ... + 56185216.

It is an arithmetic number, because the mean of its divisors is an integer number (3033991620).

Almost surely, 2^21013201033 is an apocalyptic number.

It is an amenable number.

21013201033 is a deficient number, since it is larger than the sum of its proper divisors (3258731927).

21013201033 is a wasteful number, since it uses less digits than its factorization.

21013201033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112370087.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21013201033 its reverse (33010231012), we get a palindrome (54023432045).

The spelling of 21013201033 in words is "twenty-one billion, thirteen million, two hundred one thousand, thirty-three".