1111122320311 has 4 divisors (see below), whose sum is σ = 1115347120272. Its totient is φ = 1106897520352.

The previous prime is 1111122320303. The next prime is 1111122320383. The reversal of 1111122320311 is 1130232211111.

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 1111122320311 - 2³ = 1111122320303 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 (1111122324311) 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, 2112399586 + ... + 2112400111.

It is an arithmetic number, because the mean of its divisors is an integer number (278836780068).

Almost surely, 2^{1111122320311} is an apocalyptic number.

1111122320311 is a deficient number, since it is larger than the sum of its proper divisors (4224799961).

1111122320311 is an equidigital number, since it uses as much as digits as its factorization.

1111122320311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224799960.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1111122320311 its reverse (1130232211111), we get a palindrome (2241354531422).

The spelling of 1111122320311 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, three hundred twenty thousand, three hundred eleven".