111101101201011 has 16 divisors (see below), whose sum is σ = 149206085060480. Its totient is φ = 73531798824960.

The previous prime is 111101101200977. The next prime is 111101101201033. The reversal of 111101101201011 is 110102101101111.

It is not a de Polignac number, because 111101101201011 - 2¹³ = 111101101192819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111101101201511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6253656 + ... + 16165098.

It is an arithmetic number, because the mean of its divisors is an integer number (9325380316280).

Almost surely, 2^{111101101201011} is an apocalyptic number.

111101101201011 is a deficient number, since it is larger than the sum of its proper divisors (38104983859469).

111101101201011 is a wasteful number, since it uses less digits than its factorization.

111101101201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9938466.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 111101101201011 its reverse (110102101101111), we get a palindrome (221203202302122).

The spelling of 111101101201011 in words is "one hundred eleven trillion, one hundred one billion, one hundred one million, two hundred one thousand, eleven".