22021010002 has 8 divisors (see below), whose sum is σ = 33358560012. Its totient is φ = 10901490000.

The previous prime is 22021009979. The next prime is 22021010057. The reversal of 22021010002 is 20001012022.

It can be written as a sum of positive squares in 2 ways, for example, as 21945163321 + 75846681 = 148139^2 + 8709^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54507249 + ... + 54507652.

Almost surely, 2^22021010002 is an apocalyptic number.

22021010002 is a deficient number, since it is larger than the sum of its proper divisors (11337550010).

22021010002 is a wasteful number, since it uses less digits than its factorization.

22021010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109015004.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22021010002 its reverse (20001012022), we get a palindrome (42022022024).

The spelling of 22021010002 in words is "twenty-two billion, twenty-one million, ten thousand, two".