22011021002002 has 8 divisors (see below), whose sum is σ = 33016574505996. Its totient is φ = 11005496166672.

The previous prime is 22011021001961. The next prime is 22011021002011. The reversal of 22011021002002 is 20020012011022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17734971886681 + 4276049115321 = 4211291^2 + 2067861^2 .

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

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, 5132173 + ... + 8388160.

Almost surely, 2^{22011021002002} is an apocalyptic number.

22011021002002 is a deficient number, since it is larger than the sum of its proper divisors (11005553503994).

22011021002002 is a wasteful number, since it uses less digits than its factorization.

22011021002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14334332.

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

Adding to 22011021002002 its reverse (20020012011022), we get a palindrome (42031033013024).

The spelling of 22011021002002 in words is "twenty-two trillion, eleven billion, twenty-one million, two thousand, two".