1101331022111 has 4 divisors (see below), whose sum is σ = 1112684950272. Its totient is φ = 1089977093952.

The previous prime is 1101331022047. The next prime is 1101331022123. The reversal of 1101331022111 is 1112201331011.

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

It is a cyclic number.

It is not a de Polignac number, because 1101331022111 - 2⁶ = 1101331022047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1101331022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101331042111) 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 3 ways as a sum of consecutive naturals, for example, 5676963935 + ... + 5676964128.

It is an arithmetic number, because the mean of its divisors is an integer number (278171237568).

Almost surely, 2^{1101331022111} is an apocalyptic number.

1101331022111 is a deficient number, since it is larger than the sum of its proper divisors (11353928161).

1101331022111 is an equidigital number, since it uses as much as digits as its factorization.

1101331022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11353928160.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1101331022111 its reverse (1112201331011), we get a palindrome (2213532353122).

The spelling of 1101331022111 in words is "one trillion, one hundred one billion, three hundred thirty-one million, twenty-two thousand, one hundred eleven".