200111100201 has 24 divisors (see below), whose sum is σ = 298242706944. Its totient is φ = 129222846720.

The previous prime is 200111100169. The next prime is 200111100227. The reversal of 200111100201 is 102001111002.

It is a happy number.

It is not a de Polignac number, because 200111100201 - 2⁵ = 200111100169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (200111100001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2397505 + ... + 2479566.

It is an arithmetic number, because the mean of its divisors is an integer number (12426779456).

Almost surely, 2^200111100201 is an apocalyptic number.

It is an amenable number.

200111100201 is a deficient number, since it is larger than the sum of its proper divisors (98131606743).

200111100201 is a wasteful number, since it uses less digits than its factorization.

200111100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4877221 (or 4877218 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 200111100201 its reverse (102001111002), we get a palindrome (302112211203).

The spelling of 200111100201 in words is "two hundred billion, one hundred eleven million, one hundred thousand, two hundred one".