20001112212110 has 32 divisors (see below), whose sum is σ = 36142130545632. Its totient is φ = 7969325414400.

The previous prime is 20001112212101. The next prime is 20001112212131. The reversal of 20001112212110 is 1121221110002.

It is a Curzon number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 6665222 + ... + 9188438.

It is an arithmetic number, because the mean of its divisors is an integer number (1129441579551).

Almost surely, 2^{20001112212110} is an apocalyptic number.

20001112212110 is a deficient number, since it is larger than the sum of its proper divisors (16141018333522).

20001112212110 is a wasteful number, since it uses less digits than its factorization.

20001112212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526308.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20001112212110 its reverse (1121221110002), we get a palindrome (21122333322112).

The spelling of 20001112212110 in words is "twenty trillion, one billion, one hundred twelve million, two hundred twelve thousand, one hundred ten".