1100244434021 has 4 divisors (see below), whose sum is σ = 1123653890112. Its totient is φ = 1076834977932.

The previous prime is 1100244434011. The next prime is 1100244434041. The reversal of 1100244434021 is 1204344420011.

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 a de Polignac number, because none of the positive numbers 2^k-1100244434021 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 (1100244434011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11704727975 + ... + 11704728068.

It is an arithmetic number, because the mean of its divisors is an integer number (280913472528).

Almost surely, 2^{1100244434021} is an apocalyptic number.

It is an amenable number.

1100244434021 is a deficient number, since it is larger than the sum of its proper divisors (23409456091).

1100244434021 is an equidigital number, since it uses as much as digits as its factorization.

1100244434021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23409456090.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1100244434021 its reverse (1204344420011), we get a palindrome (2304588854032).

The spelling of 1100244434021 in words is "one trillion, one hundred billion, two hundred forty-four million, four hundred thirty-four thousand, twenty-one".