24144142121 has 4 divisors (see below), whose sum is σ = 26339064144. Its totient is φ = 21949220100.

The previous prime is 24144142117. The next prime is 24144142123. The reversal of 24144142121 is 12124144142.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 24144142121 - 2² = 24144142117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (24144142123) 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, 1097460995 + ... + 1097461016.

It is an arithmetic number, because the mean of its divisors is an integer number (6584766036).

Almost surely, 2^24144142121 is an apocalyptic number.

It is an amenable number.

24144142121 is a deficient number, since it is larger than the sum of its proper divisors (2194922023).

24144142121 is a wasteful number, since it uses less digits than its factorization.

24144142121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194922022.

The product of its digits is 2048, while the sum is 26.

Adding to 24144142121 its reverse (12124144142), we get a palindrome (36268286263).

The spelling of 24144142121 in words is "twenty-four billion, one hundred forty-four million, one hundred forty-two thousand, one hundred twenty-one".