42022111 has 2 divisors, whose sum is σ = 42022112. Its totient is φ = 42022110.

The previous prime is 42022103. The next prime is 42022159. The reversal of 42022111 is 11122024.

It is a happy number.

42022111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42022111 - 2³ = 42022103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42022091 and 42022100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42022511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21011055 + 21011056.

It is an arithmetic number, because the mean of its divisors is an integer number (21011056).

Almost surely, 2^42022111 is an apocalyptic number.

42022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

42022111 is an equidigital number, since it uses as much as digits as its factorization.

42022111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 42022111 is about 6482.4463746336. The cubic root of 42022111 is about 347.6636525376.

Adding to 42022111 its reverse (11122024), we get a palindrome (53144135).

The spelling of 42022111 in words is "forty-two million, twenty-two thousand, one hundred eleven".