24221102042 has 4 divisors (see below), whose sum is σ = 36331653066. Its totient is φ = 12110551020.

The previous prime is 24221102011. The next prime is 24221102047. The reversal of 24221102042 is 24020112242.

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

It can be written as a sum of positive squares in only one way, i.e., 21082749601 + 3138352441 = 145199^2 + 56021^2 .

It is not an unprimeable number, because it can be changed into a prime (24221102047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055275509 + ... + 6055275512.

Almost surely, 2^24221102042 is an apocalyptic number.

24221102042 is a deficient number, since it is larger than the sum of its proper divisors (12110551024).

24221102042 is a wasteful number, since it uses less digits than its factorization.

24221102042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12110551023.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 24221102042 its reverse (24020112242), we get a palindrome (48241214284).

The spelling of 24221102042 in words is "twenty-four billion, two hundred twenty-one million, one hundred two thousand, forty-two".