22001112002 has 16 divisors (see below), whose sum is σ = 34206883200. Its totient is φ = 10605804528.

The previous prime is 22001111971. The next prime is 22001112011. The reversal of 22001112002 is 20021110022.

It is a happy number.

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, 1740377 + ... + 1752972.

It is an arithmetic number, because the mean of its divisors is an integer number (2137930200).

Almost surely, 2^22001112002 is an apocalyptic number.

22001112002 is a deficient number, since it is larger than the sum of its proper divisors (12205771198).

22001112002 is a wasteful number, since it uses less digits than its factorization.

22001112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493465.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22001112002 its reverse (20021110022), we get a palindrome (42022222024).

The spelling of 22001112002 in words is "twenty-two billion, one million, one hundred twelve thousand, two".