21033101022 has 8 divisors (see below), whose sum is σ = 42066202056. Its totient is φ = 7011033672.

The previous prime is 21033101009. The next prime is 21033101051. The reversal of 21033101022 is 22010133012.

It is a sphenic number, since it is the product of 3 distinct primes.

21033101022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 21033100992 and 21033101010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1752758413 + ... + 1752758424.

It is an arithmetic number, because the mean of its divisors is an integer number (5258275257).

Almost surely, 2^21033101022 is an apocalyptic number.

21033101022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21033101022 is a wasteful number, since it uses less digits than its factorization.

21033101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505516842.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21033101022 its reverse (22010133012), we get a palindrome (43043234034).

The spelling of 21033101022 in words is "twenty-one billion, thirty-three million, one hundred one thousand, twenty-two".