4021402011 has 16 divisors (see below), whose sum is σ = 5985344640. Its totient is φ = 2380533120.

The previous prime is 4021402009. The next prime is 4021402031. The reversal of 4021402011 is 1102041204.

It is not a de Polignac number, because 4021402011 - 2¹ = 4021402009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4021402001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415566 + ... + 1418403.

It is an arithmetic number, because the mean of its divisors is an integer number (374084040).

Almost surely, 2^4021402011 is an apocalyptic number.

4021402011 is a deficient number, since it is larger than the sum of its proper divisors (1963942629).

4021402011 is a wasteful number, since it uses less digits than its factorization.

4021402011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834026.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 4021402011 is about 63414.5252367311. The cubic root of 4021402011 is about 1590.2271488302.

Adding to 4021402011 its reverse (1102041204), we get a palindrome (5123443215).

The spelling of 4021402011 in words is "four billion, twenty-one million, four hundred two thousand, eleven".