21033313332322 has 16 divisors (see below), whose sum is σ = 33983698401792. Its totient is φ = 9734913603360.

The previous prime is 21033313332307. The next prime is 21033313332331. The reversal of 21033313332322 is 22323331333012.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7374933123 + ... + 7374935974.

It is an arithmetic number, because the mean of its divisors is an integer number (2123981150112).

Almost surely, 2^{21033313332322} is an apocalyptic number.

21033313332322 is a deficient number, since it is larger than the sum of its proper divisors (12950385069470).

21033313332322 is a wasteful number, since it uses less digits than its factorization.

21033313332322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14749869153.

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 21033313332322 its reverse (22323331333012), we get a palindrome (43356644665334).

The spelling of 21033313332322 in words is "twenty-one trillion, thirty-three billion, three hundred thirteen million, three hundred thirty-two thousand, three hundred twenty-two".