21022000112002 has 16 divisors (see below), whose sum is σ = 31965624018360. Its totient is φ = 10366798096512.

The previous prime is 21022000111997. The next prime is 21022000112017. The reversal of 21022000112002 is 20021100022012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19624377263481 + 1397622848521 = 4429941^2 + 1182211^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 5661688 + ... + 8608060.

Almost surely, 2^{21022000112002} is an apocalyptic number.

21022000112002 is a deficient number, since it is larger than the sum of its proper divisors (10943623906358).

21022000112002 is a wasteful number, since it uses less digits than its factorization.

21022000112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995317.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21022000112002 its reverse (20021100022012), we get a palindrome (41043100134014).

The spelling of 21022000112002 in words is "twenty-one trillion, twenty-two billion, one hundred twelve thousand, two".