4021313111 has 2 divisors, whose sum is σ = 4021313112. Its totient is φ = 4021313110.

The previous prime is 4021313099. The next prime is 4021313117. The reversal of 4021313111 is 1113131204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021313111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4021313111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021313117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010656555 + 2010656556.

It is an arithmetic number, because the mean of its divisors is an integer number (2010656556).

Almost surely, 2^4021313111 is an apocalyptic number.

4021313111 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021313111 is an equidigital number, since it uses as much as digits as its factorization.

4021313111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 4021313111 is about 63413.8242893456. The cubic root of 4021313111 is about 1590.2154305095.

Adding to 4021313111 its reverse (1113131204), we get a palindrome (5134444315).

The spelling of 4021313111 in words is "four billion, twenty-one million, three hundred thirteen thousand, one hundred eleven".