2021123424024 has 64 divisors (see below), whose sum is σ = 5631942434400. Its totient is φ = 671582524032.

The previous prime is 2021123424013. The next prime is 2021123424049. The reversal of 2021123424024 is 4204243211202.

It is a happy number.

2021123424024 is a `hidden beast` number, since 2 + 0 + 21 + 1 + 234 + 2 + 402 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14690287 + ... + 14827230.

Almost surely, 2^{2021123424024} is an apocalyptic number.

2021123424024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2021123424024 is an abundant number, since it is smaller than the sum of its proper divisors (3610819010376).

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

2021123424024 is a wasteful number, since it uses less digits than its factorization.

2021123424024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29517849 (or 29517839 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 2021123424024 its reverse (4204243211202), we get a palindrome (6225366635226).

The spelling of 2021123424024 in words is "two trillion, twenty-one billion, one hundred twenty-three million, four hundred twenty-four thousand, twenty-four".