200020120111 has 4 divisors (see below), whose sum is σ = 228594422992. Its totient is φ = 171445817232.

The previous prime is 200020120061. The next prime is 200020120133. The reversal of 200020120111 is 111021020002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200020120111 - 2⁹ = 200020119599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020121111) by changing a digit.

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, 14287151430 + ... + 14287151443.

It is an arithmetic number, because the mean of its divisors is an integer number (57148605748).

Almost surely, 2^200020120111 is an apocalyptic number.

200020120111 is a deficient number, since it is larger than the sum of its proper divisors (28574302881).

200020120111 is an equidigital number, since it uses as much as digits as its factorization.

200020120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28574302880.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200020120111 its reverse (111021020002), we get a palindrome (311041140113).

The spelling of 200020120111 in words is "two hundred billion, twenty million, one hundred twenty thousand, one hundred eleven".