21000310201022 has 8 divisors (see below), whose sum is σ = 33353433848736. Its totient is φ = 9882498918112.

The previous prime is 21000310201021. The next prime is 21000310201069. The reversal of 21000310201022 is 22010201300012.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 21000310200988 and 21000310201006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21000310201021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308828091158 + ... + 308828091225.

It is an arithmetic number, because the mean of its divisors is an integer number (4169179231092).

Almost surely, 2^{21000310201022} is an apocalyptic number.

21000310201022 is a deficient number, since it is larger than the sum of its proper divisors (12353123647714).

21000310201022 is a wasteful number, since it uses less digits than its factorization.

21000310201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617656182402.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21000310201022 its reverse (22010201300012), we get a palindrome (43010511501034).

The spelling of 21000310201022 in words is "twenty-one trillion, three hundred ten million, two hundred one thousand, twenty-two".