2021021334 has 32 divisors (see below), whose sum is σ = 4575903840. Its totient is φ = 660962016.

The previous prime is 2021021329. The next prime is 2021021351. The reversal of 2021021334 is 4331201202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 350217 + ... + 355940.

It is an arithmetic number, because the mean of its divisors is an integer number (142996995).

Almost surely, 2^2021021334 is an apocalyptic number.

2021021334 is an abundant number, since it is smaller than the sum of its proper divisors (2554882506).

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

2021021334 is a wasteful number, since it uses less digits than its factorization.

2021021334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706221 (or 706215 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2021021334 is about 44955.7708642617. The cubic root of 2021021334 is about 1264.3198776996.

Adding to 2021021334 its reverse (4331201202), we get a palindrome (6352222536).

The spelling of 2021021334 in words is "two billion, twenty-one million, twenty-one thousand, three hundred thirty-four".