2021334434404 has 12 divisors (see below), whose sum is σ = 3540933777024. Its totient is φ = 1009639069544.

The previous prime is 2021334434387. The next prime is 2021334434419. The reversal of 2021334434404 is 4044344331202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021334434404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257032492 + ... + 257040355.

It is an arithmetic number, because the mean of its divisors is an integer number (295077814752).

Almost surely, 2^{2021334434404} is an apocalyptic number.

It is an amenable number.

2021334434404 is a deficient number, since it is larger than the sum of its proper divisors (1519599342620).

2021334434404 is a wasteful number, since it uses less digits than its factorization.

2021334434404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514073834 (or 514073832 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 2021334434404 its reverse (4044344331202), we get a palindrome (6065678765606).

The spelling of 2021334434404 in words is "two trillion, twenty-one billion, three hundred thirty-four million, four hundred thirty-four thousand, four hundred four".