1101021111043 has 8 divisors (see below), whose sum is σ = 1258365287520. Its totient is φ = 943690796160.

The previous prime is 1101021111011. The next prime is 1101021111079. The reversal of 1101021111043 is 3401111201011.

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

It is not a de Polignac number, because 1101021111043 - 2⁵ = 1101021111011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101021141043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3294628 + ... + 3613393.

It is an arithmetic number, because the mean of its divisors is an integer number (157295660940).

Almost surely, 2^{1101021111043} is an apocalyptic number.

1101021111043 is a deficient number, since it is larger than the sum of its proper divisors (157344176477).

1101021111043 is an equidigital number, since it uses as much as digits as its factorization.

1101021111043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6930797.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1101021111043 its reverse (3401111201011), we get a palindrome (4502132312054).

The spelling of 1101021111043 in words is "one trillion, one hundred one billion, twenty-one million, one hundred eleven thousand, forty-three".