4021111011 has 4 divisors (see below), whose sum is σ = 5361481352. Its totient is φ = 2680740672.

The previous prime is 4021111001. The next prime is 4021111013. The reversal of 4021111011 is 1101111204.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4021111011 - 2⁵ = 4021110979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021111013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670185166 + ... + 670185171.

It is an arithmetic number, because the mean of its divisors is an integer number (1340370338).

Almost surely, 2^4021111011 is an apocalyptic number.

4021111011 is a deficient number, since it is larger than the sum of its proper divisors (1340370341).

4021111011 is a wasteful number, since it uses less digits than its factorization.

4021111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340370340.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 4021111011 is about 63412.2307682043. The cubic root of 4021111011 is about 1590.1887901299.

Adding to 4021111011 its reverse (1101111204), we get a palindrome (5122222215).

The spelling of 4021111011 in words is "four billion, twenty-one million, one hundred eleven thousand, eleven".