21233033201 has 16 divisors (see below), whose sum is σ = 22608771840. Its totient is φ = 19871604480.

The previous prime is 21233033147. The next prime is 21233033287. The reversal of 21233033201 is 10233033212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21233033201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21239033201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3543530 + ... + 3549516.

It is an arithmetic number, because the mean of its divisors is an integer number (1413048240).

Almost surely, 2^21233033201 is an apocalyptic number.

It is an amenable number.

21233033201 is a deficient number, since it is larger than the sum of its proper divisors (1375738639).

21233033201 is a wasteful number, since it uses less digits than its factorization.

21233033201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7144.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21233033201 its reverse (10233033212), we get a palindrome (31466066413).

The spelling of 21233033201 in words is "twenty-one billion, two hundred thirty-three million, thirty-three thousand, two hundred one".