1101001201111 has 8 divisors (see below), whose sum is σ = 1301676297120. Its totient is φ = 911173407648.

The previous prime is 1101001201109. The next prime is 1101001201123. The reversal of 1101001201111 is 1111021001011.

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

It is not a de Polignac number, because 1101001201111 - 2¹ = 1101001201109 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 (1101001201151) 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, 2711825416 + ... + 2711825821.

It is an arithmetic number, because the mean of its divisors is an integer number (162709537140).

Almost surely, 2^{1101001201111} is an apocalyptic number.

1101001201111 is a deficient number, since it is larger than the sum of its proper divisors (200675096009).

1101001201111 is an equidigital number, since it uses as much as digits as its factorization.

1101001201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5423651273.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1101001201111 its reverse (1111021001011), we get a palindrome (2212022202122).

The spelling of 1101001201111 in words is "one trillion, one hundred one billion, one million, two hundred one thousand, one hundred eleven".