200111120221 has 4 divisors (see below), whose sum is σ = 200147971744. Its totient is φ = 200074268700.

The previous prime is 200111120191. The next prime is 200111120267. The reversal of 200111120221 is 122021111002.

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 200111120221 - 2⁷ = 200111120093 is a prime.

It is a super-2 number, since 2×200111120221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200111120291) 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, 18417615 + ... + 18428476.

It is an arithmetic number, because the mean of its divisors is an integer number (50036992936).

Almost surely, 2^200111120221 is an apocalyptic number.

It is an amenable number.

200111120221 is a deficient number, since it is larger than the sum of its proper divisors (36851523).

200111120221 is an equidigital number, since it uses as much as digits as its factorization.

200111120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36851522.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200111120221 its reverse (122021111002), we get a palindrome (322132231223).

The spelling of 200111120221 in words is "two hundred billion, one hundred eleven million, one hundred twenty thousand, two hundred twenty-one".