21000313333322 has 24 divisors (see below), whose sum is σ = 31942491219936. Its totient is φ = 10354828339296.

The previous prime is 21000313333313. The next prime is 21000313333367. The reversal of 21000313333322 is 22333331300012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21000313333291 and 21000313333300.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75821333 + ... + 76097799.

It is an arithmetic number, because the mean of its divisors is an integer number (1330937134164).

Almost surely, 2^{21000313333322} is an apocalyptic number.

21000313333322 is a deficient number, since it is larger than the sum of its proper divisors (10942177886614).

21000313333322 is an equidigital number, since it uses as much as digits as its factorization.

21000313333322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283742 (or 283669 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 21000313333322 its reverse (22333331300012), we get a palindrome (43333644633334).

The spelling of 21000313333322 in words is "twenty-one trillion, three hundred thirteen million, three hundred thirty-three thousand, three hundred twenty-two".