21322010002 has 8 divisors (see below), whose sum is σ = 32266050876. Its totient is φ = 10566659712.

The previous prime is 21322009991. The next prime is 21322010023. The reversal of 21322010002 is 20001022312.

It can be written as a sum of positive squares in 2 ways, for example, as 21318628081 + 3381921 = 146009^2 + 1839^2 .

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

It is a super-2 number, since 2×21322010002² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47172363 + ... + 47172814.

Almost surely, 2^21322010002 is an apocalyptic number.

21322010002 is a deficient number, since it is larger than the sum of its proper divisors (10944040874).

21322010002 is a wasteful number, since it uses less digits than its factorization.

21322010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94345292.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 21322010002 its reverse (20001022312), we get a palindrome (41323032314).

The spelling of 21322010002 in words is "twenty-one billion, three hundred twenty-two million, ten thousand, two".