200112020111 has 4 divisors (see below), whose sum is σ = 200116021872. Its totient is φ = 200108018352.

The previous prime is 200112020107. The next prime is 200112020113. The reversal of 200112020111 is 111020211002.

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 200112020111 - 2² = 200112020107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200112020092 and 200112020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200112020113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924910 + ... + 2026203.

It is an arithmetic number, because the mean of its divisors is an integer number (50029005468).

Almost surely, 2^200112020111 is an apocalyptic number.

200112020111 is a deficient number, since it is larger than the sum of its proper divisors (4001761).

200112020111 is an equidigital number, since it uses as much as digits as its factorization.

200112020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001760.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200112020111 its reverse (111020211002), we get a palindrome (311132231113).

The spelling of 200112020111 in words is "two hundred billion, one hundred twelve million, twenty thousand, one hundred eleven".