200112122012111 has 4 divisors (see below), whose sum is σ = 203098870101912. Its totient is φ = 197125373922312.

The previous prime is 200112122012107. The next prime is 200112122012147. The reversal of 200112122012111 is 111210221211002.

200112122012111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 200112122012111 - 2² = 200112122012107 is a prime.

It is a super-2 number, since 2×200112122012111² (a number of 29 digits) contains 22 as substring.

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 200112122012111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200112122012311) 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, 1493374044800 + ... + 1493374044933.

It is an arithmetic number, because the mean of its divisors is an integer number (50774717525478).

Almost surely, 2^{200112122012111} is an apocalyptic number.

200112122012111 is a deficient number, since it is larger than the sum of its proper divisors (2986748089801).

200112122012111 is an equidigital number, since it uses as much as digits as its factorization.

200112122012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986748089800.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 200112122012111 its reverse (111210221211002), we get a palindrome (311322343223113).

The spelling of 200112122012111 in words is "two hundred trillion, one hundred twelve billion, one hundred twenty-two million, twelve thousand, one hundred eleven".