111101120011 has 24 divisors (see below), whose sum is σ = 136836337920. Its totient is φ = 88119175536.

The previous prime is 111101119979. The next prime is 111101120021. The reversal of 111101120011 is 110021101111.

It is not a de Polignac number, because 111101120011 - 2⁵ = 111101119979 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 111101120011.

It is not an unprimeable number, because it can be changed into a prime (111101120021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20026 + ... + 471808.

It is an arithmetic number, because the mean of its divisors is an integer number (5701514080).

Almost surely, 2^111101120011 is an apocalyptic number.

111101120011 is a deficient number, since it is larger than the sum of its proper divisors (25735217909).

111101120011 is an equidigital number, since it uses as much as digits as its factorization.

111101120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451895 (or 451852 counting only the distinct ones).

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

Adding to 111101120011 its reverse (110021101111), we get a palindrome (221122221122).

The spelling of 111101120011 in words is "one hundred eleven billion, one hundred one million, one hundred twenty thousand, eleven".