21300010322 has 4 divisors (see below), whose sum is σ = 31950015486. Its totient is φ = 10650005160.

The previous prime is 21300010313. The next prime is 21300010337. The reversal of 21300010322 is 22301000312.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 11046220201 + 10253790121 = 105101^2 + 101261^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21300010297 and 21300010306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5325002579 + ... + 5325002582.

Almost surely, 2^21300010322 is an apocalyptic number.

21300010322 is a deficient number, since it is larger than the sum of its proper divisors (10650005164).

21300010322 is a wasteful number, since it uses less digits than its factorization.

21300010322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10650005163.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 21300010322 its reverse (22301000312), we get a palindrome (43601010634).

It can be divided in two parts, 213000 and 10322, that added together give a palindrome (223322).

The spelling of 21300010322 in words is "twenty-one billion, three hundred million, ten thousand, three hundred twenty-two".