111522144011 has 8 divisors (see below), whose sum is σ = 113149793280. Its totient is φ = 109899894312.

The previous prime is 111522144007. The next prime is 111522144043. The reversal of 111522144011 is 110441225111.

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 111522144011 - 2² = 111522144007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111522144001) 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, 1308275 + ... + 1390908.

It is an arithmetic number, because the mean of its divisors is an integer number (14143724160).

Almost surely, 2^111522144011 is an apocalyptic number.

111522144011 is a deficient number, since it is larger than the sum of its proper divisors (1627649269).

111522144011 is an equidigital number, since it uses as much as digits as its factorization.

111522144011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699785.

The product of its (nonzero) digits is 320, while the sum is 23.

Adding to 111522144011 its reverse (110441225111), we get a palindrome (221963369122).

The spelling of 111522144011 in words is "one hundred eleven billion, five hundred twenty-two million, one hundred forty-four thousand, eleven".