1100243230421 has 8 divisors (see below), whose sum is σ = 1122943365120. Its totient is φ = 1077762421008.

The previous prime is 1100243230403. The next prime is 1100243230469. The reversal of 1100243230421 is 1240323420011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100243230421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100243230321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54821186 + ... + 54841251.

It is an arithmetic number, because the mean of its divisors is an integer number (140367920640).

Almost surely, 2^{1100243230421} is an apocalyptic number.

It is an amenable number.

1100243230421 is a deficient number, since it is larger than the sum of its proper divisors (22700134699).

1100243230421 is a wasteful number, since it uses less digits than its factorization.

1100243230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109662643.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1100243230421 its reverse (1240323420011), we get a palindrome (2340566650432).

The spelling of 1100243230421 in words is "one trillion, one hundred billion, two hundred forty-three million, two hundred thirty thousand, four hundred twenty-one".