200221100111 has 2 divisors, whose sum is σ = 200221100112. Its totient is φ = 200221100110.

The previous prime is 200221100099. The next prime is 200221100119. The reversal of 200221100111 is 111001122002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200221100111 - 2³⁰ = 199147358287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200221100092 and 200221100101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200221100119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110550055 + 100110550056.

It is an arithmetic number, because the mean of its divisors is an integer number (100110550056).

Almost surely, 2^200221100111 is an apocalyptic number.

200221100111 is a deficient number, since it is larger than the sum of its proper divisors (1).

200221100111 is an equidigital number, since it uses as much as digits as its factorization.

200221100111 is an evil number, because the sum of its binary digits is even.

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

Adding to 200221100111 its reverse (111001122002), we get a palindrome (311222222113).

The spelling of 200221100111 in words is "two hundred billion, two hundred twenty-one million, one hundred thousand, one hundred eleven".