2021042334 has 16 divisors (see below), whose sum is σ = 4172474880. Its totient is φ = 651949080.

The previous prime is 2021042291. The next prime is 2021042339. The reversal of 2021042334 is 4332401202.

It is a super-2 number, since 2×2021042334² = 8169224231640335112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2021042334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021042339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5432724 + ... + 5433095.

It is an arithmetic number, because the mean of its divisors is an integer number (260779680).

Almost surely, 2^2021042334 is an apocalyptic number.

2021042334 is an abundant number, since it is smaller than the sum of its proper divisors (2151432546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021042334 is a wasteful number, since it uses less digits than its factorization.

2021042334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10865855.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2021042334 is about 44956.0044265502. The cubic root of 2021042334 is about 1264.3242567768.

Adding to 2021042334 its reverse (4332401202), we get a palindrome (6353443536).

The spelling of 2021042334 in words is "two billion, twenty-one million, forty-two thousand, three hundred thirty-four".