4221200111 has 2 divisors, whose sum is σ = 4221200112. Its totient is φ = 4221200110.

The previous prime is 4221200083. The next prime is 4221200153. The reversal of 4221200111 is 1110021224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4221200111 - 2⁶ = 4221200047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221200411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110600055 + 2110600056.

It is an arithmetic number, because the mean of its divisors is an integer number (2110600056).

Almost surely, 2^4221200111 is an apocalyptic number.

4221200111 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221200111 is an equidigital number, since it uses as much as digits as its factorization.

4221200111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 4221200111 is about 64970.7635094432. The cubic root of 4221200111 is about 1616.1387631584.

Adding to 4221200111 its reverse (1110021224), we get a palindrome (5331221335).

The spelling of 4221200111 in words is "four billion, two hundred twenty-one million, two hundred thousand, one hundred eleven".