10021011 has 64 divisors (see below), whose sum is σ = 18579456. Its totient is φ = 4636800.

The previous prime is 10021003. The next prime is 10021027. The reversal of 10021011 is 11012001.

It is not a de Polignac number, because 10021011 - 2³ = 10021003 is a prime.

It is a super-2 number, since 2×10021011² = 200841322924242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10021001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 141106 + ... + 141176.

It is an arithmetic number, because the mean of its divisors is an integer number (290304).

Almost surely, 2^10021011 is an apocalyptic number.

10021011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10021011 is a deficient number, since it is larger than the sum of its proper divisors (8558445).

10021011 is a wasteful number, since it uses less digits than its factorization.

10021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 10021011 is about 3165.5980477629. The cubic root of 10021011 is about 215.5942528727.

Adding to 10021011 its reverse (11012001), we get a palindrome (21033012).

Multiplying 10021011 by its reverse (11012001), we get a palindrome (110351383153011).

The spelling of 10021011 in words is "ten million, twenty-one thousand, eleven".