21010311032233 has 8 divisors (see below), whose sum is σ = 21158895941568. Its totient is φ = 20862246561264.

The previous prime is 21010311032197. The next prime is 21010311032267. The reversal of 21010311032233 is 33223011301012.

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-21010311032233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21010311012233) 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, 130028566 + ... + 130190047.

It is an arithmetic number, because the mean of its divisors is an integer number (2644861992696).

Almost surely, 2^{21010311032233} is an apocalyptic number.

It is an amenable number.

21010311032233 is a deficient number, since it is larger than the sum of its proper divisors (148584909335).

21010311032233 is a wasteful number, since it uses less digits than its factorization.

21010311032233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260219183.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21010311032233 its reverse (33223011301012), we get a palindrome (54233322333245).

The spelling of 21010311032233 in words is "twenty-one trillion, ten billion, three hundred eleven million, thirty-two thousand, two hundred thirty-three".