200542111 has 32 divisors (see below), whose sum is σ = 258531840. Its totient is φ = 151027200.

The previous prime is 200542099. The next prime is 200542141. The reversal of 200542111 is 111245002.

It is a cyclic number.

It is not a de Polignac number, because 200542111 - 2¹¹ = 200540063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200542141) 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 31 ways as a sum of consecutive naturals, for example, 438595 + ... + 439051.

It is an arithmetic number, because the mean of its divisors is an integer number (8079120).

Almost surely, 2^200542111 is an apocalyptic number.

200542111 is a deficient number, since it is larger than the sum of its proper divisors (57989729).

200542111 is a wasteful number, since it uses less digits than its factorization.

200542111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 200542111 is about 14161.2891715408. The cubic root of 200542111 is about 585.3314516852.

Adding to 200542111 its reverse (111245002), we get a palindrome (311787113).

The spelling of 200542111 in words is "two hundred million, five hundred forty-two thousand, one hundred eleven".