20112200222111 has 8 divisors (see below), whose sum is σ = 20115587382000. Its totient is φ = 20108813345280.

The previous prime is 20112200222077. The next prime is 20112200222167. The reversal of 20112200222111 is 11122200221102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20112200222111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20112200222111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112200222311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177658556 + ... + 177771726.

It is an arithmetic number, because the mean of its divisors is an integer number (2514448422750).

Almost surely, 2^{20112200222111} is an apocalyptic number.

20112200222111 is a deficient number, since it is larger than the sum of its proper divisors (3387159889).

20112200222111 is a wasteful number, since it uses less digits than its factorization.

20112200222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141529.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20112200222111 its reverse (11122200221102), we get a palindrome (31234400443213).

The spelling of 20112200222111 in words is "twenty trillion, one hundred twelve billion, two hundred million, two hundred twenty-two thousand, one hundred eleven".