111201030212111 has 6 divisors (see below), whose sum is σ = 129356300450880. Its totient is φ = 95315168753196.

The previous prime is 111201030212057. The next prime is 111201030212143. The reversal of 111201030212111 is 111212030102111.

It is not a de Polignac number, because 111201030212111 - 2³⁸ = 110926152305167 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 111201030212111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201030212911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1134704389871 + ... + 1134704389968.

It is an arithmetic number, because the mean of its divisors is an integer number (21559383408480).

Almost surely, 2^{111201030212111} is an apocalyptic number.

111201030212111 is a deficient number, since it is larger than the sum of its proper divisors (18155270238769).

111201030212111 is an equidigital number, since it uses as much as digits as its factorization.

111201030212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269408779853 (or 2269408779846 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 111201030212111 its reverse (111212030102111), we get a palindrome (222413060314222).

The spelling of 111201030212111 in words is "one hundred eleven trillion, two hundred one billion, thirty million, two hundred twelve thousand, one hundred eleven".