2021331011 has 8 divisors (see below), whose sum is σ = 2410531584. Its totient is φ = 1657240200.

The previous prime is 2021331007. The next prime is 2021331029. The reversal of 2021331011 is 1101331202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2021331011 - 2² = 2021331007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021331031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6277265 + ... + 6277586.

It is an arithmetic number, because the mean of its divisors is an integer number (301316448).

Almost surely, 2^2021331011 is an apocalyptic number.

2021331011 is a deficient number, since it is larger than the sum of its proper divisors (389200573).

2021331011 is a wasteful number, since it uses less digits than its factorization.

2021331011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12554881.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2021331011 is about 44959.2149731287. The cubic root of 2021331011 is about 1264.3844507917.

Adding to 2021331011 its reverse (1101331202), we get a palindrome (3122662213).

The spelling of 2021331011 in words is "two billion, twenty-one million, three hundred thirty-one thousand, eleven".