2021424204244 has 24 divisors (see below), whose sum is σ = 3746081364480. Its totient is φ = 951131154816.

The previous prime is 2021424204209. The next prime is 2021424204259. The reversal of 2021424204244 is 4424024241202.

It is a super-2 number, since 2×2021424204244² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1476114 + ... + 2494345.

It is an arithmetic number, because the mean of its divisors is an integer number (156086723520).

Almost surely, 2^{2021424204244} is an apocalyptic number.

It is an amenable number.

2021424204244 is a deficient number, since it is larger than the sum of its proper divisors (1724657160236).

2021424204244 is a wasteful number, since it uses less digits than its factorization.

2021424204244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977967 (or 3977965 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 2021424204244 its reverse (4424024241202), we get a palindrome (6445448445446).

The spelling of 2021424204244 in words is "two trillion, twenty-one billion, four hundred twenty-four million, two hundred four thousand, two hundred forty-four".