2034221021 has 16 divisors (see below), whose sum is σ = 2355368064. Its totient is φ = 1720756224.

The previous prime is 2034221009. The next prime is 2034221041. The reversal of 2034221021 is 1201224302.

It is a cyclic number.

It is not a de Polignac number, because 2034221021 - 2¹⁰ = 2034219997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2034221041) 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, 961661 + ... + 963773.

It is an arithmetic number, because the mean of its divisors is an integer number (147210504).

Almost surely, 2^2034221021 is an apocalyptic number.

It is an amenable number.

2034221021 is a deficient number, since it is larger than the sum of its proper divisors (321147043).

2034221021 is a wasteful number, since it uses less digits than its factorization.

2034221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2034221021 is about 45102.3394182608. The cubic root of 2034221021 is about 1267.0664140505.

Adding to 2034221021 its reverse (1201224302), we get a palindrome (3235445323).

It can be divided in two parts, 203 and 4221021, that added together give a palindrome (4221224).

The spelling of 2034221021 in words is "two billion, thirty-four million, two hundred twenty-one thousand, twenty-one".