200111202101 has 4 divisors (see below), whose sum is σ = 200389521600. Its totient is φ = 199832882604.

The previous prime is 200111202061. The next prime is 200111202121. The reversal of 200111202101 is 101202111002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200111202101 - 2¹⁴ = 200111185717 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 (200111202121) 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 3 ways as a sum of consecutive naturals, for example, 139158671 + ... + 139160108.

It is an arithmetic number, because the mean of its divisors is an integer number (50097380400).

Almost surely, 2^200111202101 is an apocalyptic number.

It is an amenable number.

200111202101 is a deficient number, since it is larger than the sum of its proper divisors (278319499).

200111202101 is an equidigital number, since it uses as much as digits as its factorization.

200111202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278319498.

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

Adding to 200111202101 its reverse (101202111002), we get a palindrome (301313313103).

The spelling of 200111202101 in words is "two hundred billion, one hundred eleven million, two hundred two thousand, one hundred one".