111121301311 has 8 divisors (see below), whose sum is σ = 112660773120. Its totient is φ = 109582296192.

The previous prime is 111121301309. The next prime is 111121301327. The reversal of 111121301311 is 113103121111.

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

It is a cyclic number.

It is not a de Polignac number, because 111121301311 - 2¹ = 111121301309 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 (111121301371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377211 + ... + 603763.

It is an arithmetic number, because the mean of its divisors is an integer number (14082596640).

Almost surely, 2^111121301311 is an apocalyptic number.

111121301311 is a deficient number, since it is larger than the sum of its proper divisors (1539471809).

111121301311 is an equidigital number, since it uses as much as digits as its factorization.

111121301311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233345.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 111121301311 its reverse (113103121111), we get a palindrome (224224422422).

The spelling of 111121301311 in words is "one hundred eleven billion, one hundred twenty-one million, three hundred one thousand, three hundred eleven".