22112021210002 has 8 divisors (see below), whose sum is σ = 33168248898876. Its totient is φ = 11055938243712.

The previous prime is 22112021209991. The next prime is 22112021210093. The reversal of 22112021210002 is 20001212021122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22001625166921 + 110396043081 = 4690589^2 + 332259^2 .

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, 35797863 + ... + 36410314.

Almost surely, 2^{22112021210002} is an apocalyptic number.

22112021210002 is a deficient number, since it is larger than the sum of its proper divisors (11056227688874).

22112021210002 is a wasteful number, since it uses less digits than its factorization.

22112021210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72361292.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22112021210002 its reverse (20001212021122), we get a palindrome (42113233231124).

The spelling of 22112021210002 in words is "twenty-two trillion, one hundred twelve billion, twenty-one million, two hundred ten thousand, two".