2021003011 has 16 divisors (see below), whose sum is σ = 2171426400. Its totient is φ = 1877154048.

The previous prime is 2021003009. The next prime is 2021003041. The reversal of 2021003011 is 1103001202.

It is a cyclic number.

It is not a de Polignac number, because 2021003011 - 2¹ = 2021003009 is a prime.

It is a super-2 number, since 2×2021003011² = 8168906340942132242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021003041) 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, 84916 + ... + 106078.

It is an arithmetic number, because the mean of its divisors is an integer number (135714150).

Almost surely, 2^2021003011 is an apocalyptic number.

2021003011 is a deficient number, since it is larger than the sum of its proper divisors (150423389).

2021003011 is a wasteful number, since it uses less digits than its factorization.

2021003011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21318.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2021003011 is about 44955.5670746127. The cubic root of 2021003011 is about 1264.3160568256.

Adding to 2021003011 its reverse (1103001202), we get a palindrome (3124004213).

The spelling of 2021003011 in words is "two billion, twenty-one million, three thousand, eleven".