2124224020243 has 4 divisors (see below), whose sum is σ = 2287625867968. Its totient is φ = 1960822172520.

The previous prime is 2124224020211. The next prime is 2124224020327. The reversal of 2124224020243 is 3420204224212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2124224020243 - 2⁵ = 2124224020211 is a prime.

It is a super-4 number, since 4×2124224020243⁴ (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124224020343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81700923843 + ... + 81700923868.

It is an arithmetic number, because the mean of its divisors is an integer number (571906466992).

Almost surely, 2^{2124224020243} is an apocalyptic number.

2124224020243 is a deficient number, since it is larger than the sum of its proper divisors (163401847725).

2124224020243 is a wasteful number, since it uses less digits than its factorization.

2124224020243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163401847724.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 2124224020243 its reverse (3420204224212), we get a palindrome (5544428244455).

The spelling of 2124224020243 in words is "two trillion, one hundred twenty-four billion, two hundred twenty-four million, twenty thousand, two hundred forty-three".