21101030333233 has 8 divisors (see below), whose sum is σ = 21465017133120. Its totient is φ = 20737626380880.

The previous prime is 21101030333219. The next prime is 21101030333239. The reversal of 21101030333233 is 33233303010112.

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 21101030333233 - 2²⁵ = 21100996778801 is a prime.

It is a super-2 number, since 2×21101030333233² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21101030333198 and 21101030333207.

It is not an unprimeable number, because it can be changed into a prime (21101030333239) 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, 145638853 + ... + 145783666.

It is an arithmetic number, because the mean of its divisors is an integer number (2683127141640).

Almost surely, 2^{21101030333233} is an apocalyptic number.

It is an amenable number.

21101030333233 is a deficient number, since it is larger than the sum of its proper divisors (363986799887).

21101030333233 is a wasteful number, since it uses less digits than its factorization.

21101030333233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291423767.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 21101030333233 its reverse (33233303010112), we get a palindrome (54334333343345).

The spelling of 21101030333233 in words is "twenty-one trillion, one hundred one billion, thirty million, three hundred thirty-three thousand, two hundred thirty-three".