2021167141 has 12 divisors (see below), whose sum is σ = 2405834112. Its totient is φ = 1692138168.

The previous prime is 2021167129. The next prime is 2021167193. The reversal of 2021167141 is 1417611202.

It is not a de Polignac number, because 2021167141 - 2¹¹ = 2021165093 is a prime.

It is a super-2 number, since 2×2021167141² = 8170233223716227762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021167241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477525 + ... + 481738.

It is an arithmetic number, because the mean of its divisors is an integer number (200486176).

Almost surely, 2^2021167141 is an apocalyptic number.

It is an amenable number.

2021167141 is a deficient number, since it is larger than the sum of its proper divisors (384666971).

2021167141 is an equidigital number, since it uses as much as digits as its factorization.

2021167141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959320 (or 959313 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 2021167141 is about 44957.3925066835. The cubic root of 2021167141 is about 1264.3502818410.

Adding to 2021167141 its reverse (1417611202), we get a palindrome (3438778343).

The spelling of 2021167141 in words is "two billion, twenty-one million, one hundred sixty-seven thousand, one hundred forty-one".