21032002220233 has 32 divisors (see below), whose sum is σ = 21606262444800. Its totient is φ = 20467176407040.

The previous prime is 21032002220147. The next prime is 21032002220287. The reversal of 21032002220233 is 33202220023012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21032002220233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21032002220533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1682957841 + ... + 1682970337.

It is an arithmetic number, because the mean of its divisors is an integer number (675195701400).

Almost surely, 2^{21032002220233} is an apocalyptic number.

It is an amenable number.

21032002220233 is a deficient number, since it is larger than the sum of its proper divisors (574260224567).

21032002220233 is a wasteful number, since it uses less digits than its factorization.

21032002220233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13617.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 21032002220233 its reverse (33202220023012), we get a palindrome (54234222243245).

The spelling of 21032002220233 in words is "twenty-one trillion, thirty-two billion, two million, two hundred twenty thousand, two hundred thirty-three".