2142021041 has 4 divisors (see below), whose sum is σ = 2146900800. Its totient is φ = 2137141284.

The previous prime is 2142021001. The next prime is 2142021059. The reversal of 2142021041 is 1401202412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2142021041 - 2³⁰ = 1068279217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142021001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2439221 + ... + 2440098.

It is an arithmetic number, because the mean of its divisors is an integer number (536725200).

Almost surely, 2^2142021041 is an apocalyptic number.

It is an amenable number.

2142021041 is a deficient number, since it is larger than the sum of its proper divisors (4879759).

2142021041 is an equidigital number, since it uses as much as digits as its factorization.

2142021041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4879758.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2142021041 is about 46281.9731753088. The cubic root of 2142021041 is about 1289.0642896914.

Adding to 2142021041 its reverse (1401202412), we get a palindrome (3543223453).

The spelling of 2142021041 in words is "two billion, one hundred forty-two million, twenty-one thousand, forty-one".