20002112212011 has 32 divisors (see below), whose sum is σ = 27122999904000. Its totient is φ = 13110333325440.

The previous prime is 20002112212003. The next prime is 20002112212067. The reversal of 20002112212011 is 11021221120002.

It is not a de Polignac number, because 20002112212011 - 2³ = 20002112212003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20002112212001) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 22339620 + ... + 23217726.

It is an arithmetic number, because the mean of its divisors is an integer number (847593747000).

Almost surely, 2^{20002112212011} is an apocalyptic number.

20002112212011 is a deficient number, since it is larger than the sum of its proper divisors (7120887691989).

20002112212011 is a wasteful number, since it uses less digits than its factorization.

20002112212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878779.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20002112212011 its reverse (11021221120002), we get a palindrome (31023333332013).

The spelling of 20002112212011 in words is "twenty trillion, two billion, one hundred twelve million, two hundred twelve thousand, eleven".