2124243340121 has 32 divisors (see below), whose sum is σ = 2643856070400. Its totient is φ = 1665307607040.

The previous prime is 2124243340073. The next prime is 2124243340123. The reversal of 2124243340121 is 1210433424212.

It is not a de Polignac number, because 2124243340121 - 2⁶ = 2124243340057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124243340123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54290861 + ... + 54329973.

It is an arithmetic number, because the mean of its divisors is an integer number (82620502200).

Almost surely, 2^{2124243340121} is an apocalyptic number.

It is an amenable number.

2124243340121 is a deficient number, since it is larger than the sum of its proper divisors (519612730279).

2124243340121 is a wasteful number, since it uses less digits than its factorization.

2124243340121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53249.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 2124243340121 its reverse (1210433424212), we get a palindrome (3334676764333).

The spelling of 2124243340121 in words is "two trillion, one hundred twenty-four billion, two hundred forty-three million, three hundred forty thousand, one hundred twenty-one".