21310033322 has 4 divisors (see below), whose sum is σ = 31965049986. Its totient is φ = 10655016660.

The previous prime is 21310033313. The next prime is 21310033331. The reversal of 21310033322 is 22333001312.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (21310033313) and next prime (21310033331).

It can be written as a sum of positive squares in only one way, i.e., 21039792601 + 270240721 = 145051^2 + 16439^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21310033294 and 21310033303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5327508329 + ... + 5327508332.

Almost surely, 2^21310033322 is an apocalyptic number.

21310033322 is a deficient number, since it is larger than the sum of its proper divisors (10655016664).

21310033322 is a wasteful number, since it uses less digits than its factorization.

21310033322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10655016663.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21310033322 its reverse (22333001312), we get a palindrome (43643034634).

The spelling of 21310033322 in words is "twenty-one billion, three hundred ten million, thirty-three thousand, three hundred twenty-two".